diff --git a/CHANGELOG.md b/CHANGELOG.md
index e850a93e5..c8bc6a6a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,16 +9,28 @@
 > -   :house: [Internal]
 > -   :nail_care: [Polish]
 
+## 4.0.0-beta.97
+
+#### :house: Internal
+
+- Calls to setTimout without the async module have been removed from autotests, and most of the asynchronous tests have been rewritten from done to async/await
+
 ## 4.0.0-beta.96
 
+#### :boom: Breaking Change
+
 - Removed `Jodit.modules.Helpers.val` method
 
 ## 4.0.0-beta.95
 
+### :bug: Bug Fix
+
 -   Fixed the logic of the file upload module. When HTTP errors were simply ignored.
 
 ## 4.0.0-beta.93
 
+### :bug: Bug Fix
+
 -   Fixed a bug with the `editor.selection.setCursorIn(box)` method, which could set the cursor inside a <br>.
 
 ## 4.0.0-beta.91
diff --git a/src/core/async/async.test.js b/src/core/async/async.test.js
index e664ed816..ed15d4067 100644
--- a/src/core/async/async.test.js
+++ b/src/core/async/async.test.js
@@ -18,7 +18,7 @@ describe('Test Async module', () => {
 	});
 
 	describe('All async tasks', () => {
-		it('Should be called', done => {
+		it('Should be called', async () => {
 			asyncM.setTimeout(callSpy, 100);
 			asyncM
 				.promise(r => Promise.resolve().then(r))
@@ -26,14 +26,12 @@ describe('Test Async module', () => {
 				.catch(e => null);
 			asyncM.requestIdleCallback(callSpy);
 
-			setTimeout(() => {
-				expect(callCount).equals(3);
-				done();
-			}, 200);
+			await delay(200);
+			expect(callCount).equals(3);
 		});
 
 		describe('After View was destroyed', () => {
-			it('Should not be called', done => {
+			it('Should not be called', async () => {
 				asyncM.setTimeout(callSpy, 100);
 				asyncM
 					.promise(r => Promise.resolve().then(r))
@@ -41,15 +39,12 @@ describe('Test Async module', () => {
 					.catch(e => null);
 				asyncM.requestIdleCallback(callSpy);
 				asyncM.destruct();
-
-				setTimeout(() => {
-					expect(callCount).equals(0);
-					done();
-				}, 200);
+				await delay(200);
+				expect(callCount).equals(0);
 			});
 
 			describe('Jodit instance', () => {
-				it('Should work same way', done => {
+				it('Should work same way', async () => {
 					const editor = getJodit();
 					editor.async.setTimeout(callSpy, 100);
 					editor.async
@@ -58,78 +53,63 @@ describe('Test Async module', () => {
 						.catch(e => null);
 					editor.async.requestIdleCallback(callSpy);
 					editor.destruct();
-
-					setTimeout(() => {
-						expect(callCount).equals(0);
-						done();
-					}, 200);
+					await delay(200);
+					expect(callCount).equals(0);
 				});
 			});
 		});
 	});
 
 	describe('Promise', () => {
-		it('Should has method for rejection in the outside', done => {
+		it('Should has method for rejection in the outside', async () => {
 			const promise = asyncM.promise(r => Promise.resolve().then(r));
 
 			promise.then(callSpy).catch(e => null);
 			promise.rejectCallback();
 
-			setTimeout(() => {
-				expect(callCount).equals(0);
-				done();
-			}, 200);
+			await delay(200);
+			expect(callCount).equals(0);
 		});
 	});
 
 	describe('setTimeout', () => {
-		it('Should can be called with number timeout', done => {
+		it('Should can be called with number timeout', async () => {
 			asyncM.setTimeout(callSpy, 100);
-			setTimeout(() => {
-				expect(callCount).equals(1);
-				done();
-			}, 200);
+			await delay(200);
+			expect(callCount).equals(1);
 		});
 
-		it('Should can be called with options', done => {
+		it('Should can be called with options', async () => {
 			asyncM.setTimeout(callSpy, { timeout: 100 });
-			setTimeout(() => {
-				expect(callCount).equals(1);
-				done();
-			}, 200);
+			await delay(200);
+			expect(callCount).equals(1);
 		});
 
 		describe('Clear', () => {
-			it('Should can be cleared with timeout id', done => {
+			it('Should can be cleared with timeout id', async () => {
 				const id = asyncM.setTimeout(callSpy, { timeout: 100 });
 				asyncM.clearTimeout(id);
-				setTimeout(() => {
-					expect(callCount).equals(0);
-					done();
-				}, 200);
+				await delay(200);
+				expect(callCount).equals(0);
 			});
 
-			it('Should can be cleared with timeout id', done => {
+			it('Should can be cleared with timeout id', async () => {
 				const id = asyncM.setTimeout(callSpy, { timeout: 100 });
 				asyncM.clearTimeout(id);
-				setTimeout(() => {
-					expect(callCount).equals(0);
-					done();
-				}, 200);
+				await delay(200);
+				expect(callCount).equals(0);
 			});
 
 			describe('With label', () => {
-				it('Should can be cleared with label', done => {
+				it('Should can be cleared with label', async () => {
 					asyncM.setTimeout(callSpy, { timeout: 100, label: 'test' });
 					asyncM.clearTimeout('test');
-					setTimeout(() => {
-						expect(callCount).equals(0);
-						done();
-					}, 200);
+					await delay(200);
+					expect(callCount).equals(0);
 				});
 
 				describe('Several call with one label', () => {
-					it('Should clear previous call', done => {
+					it('Should clear previous call', async () => {
 						asyncM.setTimeout(callSpy, {
 							timeout: 100,
 							label: 'test'
@@ -150,17 +130,16 @@ describe('Test Async module', () => {
 							timeout: 100
 						});
 
-						setTimeout(() => {
-							expect(callCount).equals(2);
-							done();
-						}, 200);
+						await delay(200);
+
+						expect(callCount).equals(2);
 					});
 				});
 			});
 		});
 
 		describe('Update', () => {
-			it('Can be updated', done => {
+			it('Can be updated', async () => {
 				const time = new Date().getTime();
 				let callTime;
 
@@ -174,16 +153,15 @@ describe('Test Async module', () => {
 					}
 				);
 
-				setTimeout(() => {
-					asyncM.updateTimeout('test', 100);
-					setTimeout(() => {
-						asyncM.updateTimeout('test', 100);
-						setTimeout(() => {
-							expect(callTime - time).is.above(200);
-							done();
-						}, 200);
-					}, 70);
-				}, 70);
+				await delay(70);
+
+				asyncM.updateTimeout('test', 100);
+
+				await delay(70);
+				asyncM.updateTimeout('test', 100);
+
+				await delay(200);
+				expect(callTime - time).is.above(200);
 			});
 		});
 	});
@@ -191,7 +169,7 @@ describe('Test Async module', () => {
 	describe('requestAnimationFrame', () => {
 		it('Should call as usual requestAnimationFrame', done => {
 			asyncM.requestAnimationFrame(callSpy);
-			requestAnimationFrame(() => {
+			/*ok*/ requestAnimationFrame(() => {
 				expect(callCount).equals(1);
 				done();
 			});
@@ -201,7 +179,7 @@ describe('Test Async module', () => {
 			it('Should not be called after destruct', done => {
 				asyncM.requestAnimationFrame(callSpy);
 				asyncM.destruct();
-				requestAnimationFrame(() => {
+				/*ok*/ requestAnimationFrame(() => {
 					expect(callCount).equals(0);
 					done();
 				});
diff --git a/src/core/async/async.ts b/src/core/async/async.ts
index 67dad1247..f91263b55 100644
--- a/src/core/async/async.ts
+++ b/src/core/async/async.ts
@@ -26,6 +26,7 @@ import { isPromise } from 'jodit/core/helpers/checker/is-promise';
 import { isString } from 'jodit/core/helpers/checker/is-string';
 import { isNumber } from 'jodit/core/helpers/checker/is-number';
 import { assert } from 'jodit/core/helpers/utils/assert';
+import { isVoid } from 'jodit/core/helpers/checker/is-void';
 import { IS_ES_NEXT } from 'jodit/core/constants';
 
 type Callback = (...args: any[]) => void;
@@ -40,7 +41,7 @@ export class Async implements IAsync {
 
 	setTimeout(
 		callback: Callback,
-		timeout: number | IAsyncParams,
+		timeout: number | IAsyncParams | undefined,
 		...args: any[]
 	): number {
 		if (this.isDestructed) {
@@ -49,6 +50,10 @@ export class Async implements IAsync {
 
 		let options: IAsyncParams = {};
 
+		if (isVoid(timeout)) {
+			timeout = 0;
+		}
+
 		if (!isNumber(timeout)) {
 			options = timeout;
 			timeout = options.timeout || 0;
diff --git a/src/core/event-emitter/object-observer.test.js b/src/core/event-emitter/object-observer.test.js
index a97d60ec8..f8bcc62e3 100644
--- a/src/core/event-emitter/object-observer.test.js
+++ b/src/core/event-emitter/object-observer.test.js
@@ -4,8 +4,8 @@
  * Copyright (c) 2013-2023 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
  */
 
-describe('Test object observer', function () {
-	const getTestObject = function () {
+describe('Test object observer', () => {
+	const getTestObject = () => {
 		return {
 			editable: true,
 			disabled: false,
@@ -56,8 +56,8 @@ describe('Test object observer', function () {
 			const that = this;
 			this.countCall++;
 
-			return new Promise(function (res) {
-				setTimeout(function () {
+			return this.async.promise(res => {
+				this.async.setTimeout(() => {
 					that.countPromiseCall++;
 					res();
 				}, 100);
@@ -73,8 +73,8 @@ describe('Test object observer', function () {
 		return A;
 	};
 
-	describe('Test debounce decorator', function () {
-		it('Should call method only once in time', function (done) {
+	describe('Test debounce decorator', () => {
+		it('Should call method only once in time', async () => {
 			const result = [],
 				AClass = A(result, 'state.editable');
 
@@ -93,14 +93,12 @@ describe('Test object observer', function () {
 			a.callTime();
 			expect(a.countCall).eq(0);
 
-			setTimeout(() => {
-				expect(a.countCall).eq(1);
-				done();
-			}, 500);
+			await delay(120);
+			expect(a.countCall).eq(1);
 		});
 
 		describe('Compose with `wait`', () => {
-			it('Should work correct', function (done) {
+			it('Should work correct', async () => {
 				const result = [],
 					AClass = A(result, 'state.editable');
 
@@ -122,27 +120,24 @@ describe('Test object observer', function () {
 				a.callTime();
 				expect(a.countCall).eq(0);
 
-				setTimeout(() => {
-					expect(a.countCall).eq(0);
-					a.someFlag = 4;
-
-					a.callTime();
-					expect(a.countCall).eq(0);
-					a.callTime();
-					expect(a.countCall).eq(0);
-					a.callTime();
-					expect(a.countCall).eq(0);
-
-					setTimeout(() => {
-						expect(a.countCall).eq(2);
-						done();
-					}, 500);
-				}, 500);
+				await delay(120);
+				expect(a.countCall).eq(0);
+				a.someFlag = 4;
+
+				a.callTime();
+				expect(a.countCall).eq(0);
+				a.callTime();
+				expect(a.countCall).eq(0);
+				a.callTime();
+				expect(a.countCall).eq(0);
+
+				await delay(120);
+				expect(a.countCall).eq(2);
 			});
 		});
 
-		describe('Options', function () {
-			it('Should call method only once in time', function (done) {
+		describe('Options', () => {
+			it('Should call method only once in time', async () => {
 				const result = [],
 					AClass = A(result, 'state.editable');
 
@@ -165,15 +160,13 @@ describe('Test object observer', function () {
 				a.callTime();
 				expect(a.countCall).eq(0);
 
-				setTimeout(() => {
-					expect(a.countCall).eq(1);
-					done();
-				}, 500);
+				await delay(120);
+				expect(a.countCall).eq(1);
 			});
 		});
 
-		describe('Promisify debounce decorator', function () {
-			it('Should call method only once in time', function (done) {
+		describe('Promisify debounce decorator', () => {
+			it('Should call method only once in time', async () => {
 				unmockPromise();
 
 				const result = [],
@@ -194,33 +187,32 @@ describe('Test object observer', function () {
 
 				let counter = 0;
 
-				a.callPromiseTime().then(function () {
-					counter++;
-					expect(a.countPromiseCall).eq(1);
-				});
-
-				a.callPromiseTime().then(function () {
-					counter++;
-					expect(a.countPromiseCall).eq(1);
-				});
-
-				a.callPromiseTime().then(function () {
-					counter++;
-					expect(a.countPromiseCall).eq(1);
-				});
+				await Promise.all([
+					a.callPromiseTime().then(() => {
+						counter++;
+						expect(a.countPromiseCall).eq(1);
+					}),
+
+					a.callPromiseTime().then(() => {
+						counter++;
+						expect(a.countPromiseCall).eq(1);
+					}),
+
+					a.callPromiseTime().then(() => {
+						counter++;
+						expect(a.countPromiseCall).eq(1);
+					})
+				]);
 
-				setTimeout(() => {
-					expect(counter).eq(3);
-					expect(a.countCall).eq(1);
-					expect(a.countPromiseCall).eq(1);
-					done();
-				}, 500);
+				expect(counter).eq(3);
+				expect(a.countCall).eq(1);
+				expect(a.countPromiseCall).eq(1);
 			});
 		});
 	});
 
-	describe('Test watch decorator', function () {
-		it('Should add watcher to whole field object', function () {
+	describe('Test watch decorator', () => {
+		it('Should add watcher to whole field object', () => {
 			const result = [],
 				AClass = A(result, 'state.editable');
 
@@ -246,7 +238,7 @@ describe('Test object observer', function () {
 			]);
 		});
 
-		it('Should add watcher to some field in Component', function () {
+		it('Should add watcher to some field in Component', () => {
 			const result = [],
 				AClass = A(result, 'state.some.element.enable');
 
@@ -267,9 +259,9 @@ describe('Test object observer', function () {
 			]);
 		});
 
-		describe('Add several watchers', function () {
-			describe('on same fields', function () {
-				it('Should call all handlers', function () {
+		describe('Add several watchers', () => {
+			describe('on same fields', () => {
+				it('Should call all handlers', () => {
 					const result = [],
 						AClass = A(result, 'state.some.element.enable');
 
@@ -298,8 +290,8 @@ describe('Test object observer', function () {
 				});
 			});
 
-			describe('on different fields', function () {
-				it('Should call only matched handlers', function () {
+			describe('on different fields', () => {
+				it('Should call only matched handlers', () => {
 					const result = [],
 						AClass = A(
 							result,
@@ -334,8 +326,8 @@ describe('Test object observer', function () {
 			});
 		});
 
-		describe('On change field', function () {
-			it('Should fire change all parent field', function () {
+		describe('On change field', () => {
+			it('Should fire change all parent field', () => {
 				const result = [],
 					AClass = A(result, 'state.some.element.one');
 
@@ -356,7 +348,7 @@ describe('Test object observer', function () {
 					['A', 15]
 				]);
 			});
-			it('Should add in handler - old value as first argument', function () {
+			it('Should add in handler - old value as first argument', () => {
 				const result = [],
 					AClass = A(result, 'state.some.element.one');
 
@@ -379,8 +371,8 @@ describe('Test object observer', function () {
 		});
 	});
 
-	describe('Test safe stringify', function () {
-		it('Should safe stringify any circular object to string', function () {
+	describe('Test safe stringify', () => {
+		it('Should safe stringify any circular object to string', () => {
 			const a = {},
 				b = getTestObject();
 
@@ -397,9 +389,9 @@ describe('Test object observer', function () {
 		});
 	});
 
-	describe('Test object properties', function () {
-		describe('Observed object', function () {
-			it('Should has only own object properties', function () {
+	describe('Test object properties', () => {
+		describe('Observed object', () => {
+			it('Should has only own object properties', () => {
 				const a = { a: 1, b: 2 };
 				const observed = Jodit.modules.observable(a);
 				expect(Object.keys(observed)).deep.equals(Object.keys(a));
@@ -407,10 +399,10 @@ describe('Test object observer', function () {
 		});
 	});
 
-	describe('Test equal checker', function () {
-		describe('Two object', function () {
-			describe('Check one object', function () {
-				it('Should check that is one object', function () {
+	describe('Test equal checker', () => {
+		describe('Two object', () => {
+			describe('Check one object', () => {
+				it('Should check that is one object', () => {
 					const a = {},
 						b = [];
 
@@ -420,21 +412,21 @@ describe('Test object observer', function () {
 				});
 			});
 
-			describe('Check scalar value', function () {
-				it('Should check normal', function () {
+			describe('Check scalar value', () => {
+				it('Should check normal', () => {
 					expect(
 						isEqual(
-							function () {},
-							function () {}
+							() => {},
+							() => {}
 						)
 					).is.true;
 
 					expect(
 						isEqual(
-							function () {
+							() => {
 								return 1;
 							},
-							function () {}
+							() => {}
 						)
 					).is.false;
 
@@ -446,8 +438,8 @@ describe('Test object observer', function () {
 				});
 			});
 
-			describe('Check array', function () {
-				it('Should deep check', function () {
+			describe('Check array', () => {
+				it('Should deep check', () => {
 					expect(isEqual([1], [1])).is.true;
 					expect(isEqual([1], [2])).is.false;
 					expect(isEqual(['test'], ['test'])).is.true;
@@ -455,8 +447,8 @@ describe('Test object observer', function () {
 				});
 			});
 
-			describe('Check ref object', function () {
-				it('Should deep check and add instead ref some const', function () {
+			describe('Check ref object', () => {
+				it('Should deep check and add instead ref some const', () => {
 					const a = getTestObject(),
 						b = getTestObject();
 
@@ -478,8 +470,8 @@ describe('Test object observer', function () {
 		});
 	});
 
-	describe('Event on change', function () {
-		it('Should fire event when field value was changed', function () {
+	describe('Event on change', () => {
+		it('Should fire event when field value was changed', () => {
 			const counter = [];
 
 			const data = Jodit.modules.observable(getTestObject());
@@ -497,8 +489,8 @@ describe('Test object observer', function () {
 			expect(counter).to.deep.equal(['editable', 'some.element.one']);
 		});
 
-		describe('Key change event', function () {
-			it('Should fire event.key when field value was changed', function () {
+		describe('Key change event', () => {
+			it('Should fire event.key when field value was changed', () => {
 				const counter = [];
 
 				const data = Jodit.modules.observable(getTestObject());
@@ -516,7 +508,7 @@ describe('Test object observer', function () {
 				expect(counter).to.deep.equal(['some.element.one']);
 			});
 
-			it('Should fire event with old and new Value', function () {
+			it('Should fire event with old and new Value', () => {
 				const counter = [];
 
 				const data = Jodit.modules.observable(getTestObject());
@@ -542,12 +534,12 @@ describe('Test object observer', function () {
 			});
 		});
 
-		describe('Change watched property', function () {
-			it('Should fire handler', function () {
+		describe('Change watched property', () => {
+			it('Should fire handler', () => {
 				const counter = [],
 					obj = {
 						mode: 'top',
-						methodA: function () {
+						methodA: () => {
 							counter.push(obj.mode);
 						}
 					};
@@ -565,8 +557,8 @@ describe('Test object observer', function () {
 			});
 		});
 
-		describe('Change whole branch', function () {
-			it('Should fire event.key when field value was changed', function () {
+		describe('Change whole branch', () => {
+			it('Should fire event.key when field value was changed', () => {
 				const counter = [];
 
 				const data = Jodit.modules.observable(getTestObject());
diff --git a/src/modules/messages/messages.test.js b/src/modules/messages/messages.test.js
index 3d54400b1..7640be4de 100644
--- a/src/modules/messages/messages.test.js
+++ b/src/modules/messages/messages.test.js
@@ -34,12 +34,13 @@ describe('Test Messages module', () => {
 				editor.container.querySelector('.jodit-ui-message_active_true')
 			).is.not.null;
 
-			setTimeout(() => {
+			editor.async.setTimeout(() => {
 				expect(
 					editor.container.querySelector(
 						'.jodit-ui-message_active_true'
 					)
 				).is.null;
+
 				done();
 			}, 200);
 		});
@@ -60,19 +61,19 @@ describe('Test Messages module', () => {
 				expect(editor.container.querySelector('.jodit-ui-message')).is
 					.not.null;
 
-				setTimeout(() => {
+				editor.async.setTimeout(() => {
 					editor.message.success('Hello Mars!', 150);
 
-					setTimeout(() => {
+					editor.async.setTimeout(() => {
 						editor.message.success('Hello Mars!', 150);
 					}, 100);
 				}, 100);
 
-				setTimeout(() => {
+				editor.async.setTimeout(() => {
 					expect(editor.container.querySelector('.jodit-ui-message'))
 						.is.not.null;
 					done();
-				}, 300);
+				}, 400);
 			});
 		});
 	});
diff --git a/src/modules/uploader/uploader.test.js b/src/modules/uploader/uploader.test.js
index b4d33062b..a7debe9a9 100644
--- a/src/modules/uploader/uploader.test.js
+++ b/src/modules/uploader/uploader.test.js
@@ -133,8 +133,13 @@ describe('Test uploader module', function () {
 
 			describe('For iframe mode', function () {
 				it('Should upload file and insert image with SRC from server', function (done) {
-					const timer = setTimeout(function () {
-						done('Timeout error');
+					let isFinished = false;
+
+					const timer = /*ok*/ setTimeout(function () {
+						if (!isFinished) {
+							isFinished = true;
+							done('Timeout error');
+						}
 					}, 4000);
 
 					const file = new FileImage(),
@@ -148,7 +153,13 @@ describe('Test uploader module', function () {
 							},
 							events: {
 								afterInsertImage: function (img) {
+									if (isFinished) {
+										return;
+									}
+
 									try {
+										isFinished = true;
+
 										clearTimeout(timer);
 
 										expect(img.src).equals(
@@ -170,7 +181,7 @@ describe('Test uploader module', function () {
 					editor.value = '<p>test|</p>';
 					setCursorToChar(editor);
 
-					setTimeout(function () {
+					editor.async.setTimeout(function () {
 						simulateEvent(
 							'drop',
 
diff --git a/src/plugins/backspace/backspace.test.js b/src/plugins/backspace/backspace.test.js
index 66f4b1844..809d5aa84 100644
--- a/src/plugins/backspace/backspace.test.js
+++ b/src/plugins/backspace/backspace.test.js
@@ -5,14 +5,23 @@
  */
 
 describe('Backspace/Delete key', function () {
-	let editor, range;
+	let editor, range, area;
 
-	beforeEach(function () {
-		editor = getJodit();
+	beforeEach(() => {
+		area = appendTestArea(undefined, false);
+		unmockPromise();
+		editor = getJodit({}, area);
 		editor.value = '<p>test</p>';
 		range = editor.s.createRange(true);
 	});
 
+	afterEach(() => {
+		editor.destruct();
+		area.remove();
+		editor = null;
+		range = null;
+	});
+
 	describe('More cases', function () {
 		[
 			'<blockquote>t|est</blockquote><ol><li>test2</li><li>te|st3</li><li><a>test4</a></li></ol> => <blockquote>t|</blockquote><ol><li>st3</li><li><a>test4</a></li></ol>',
@@ -69,10 +78,17 @@ describe('Backspace/Delete key', function () {
 
 			describe(`For key "${key}"`, function () {
 				it(`Should be ${value}`, async () => {
-					editor.destruct();
-					const jodit = getJodit(
-						(options && JSON.parse(options)) || {}
-					);
+					let jodit = editor;
+
+					if (options) {
+						editor.destruct();
+
+						jodit = getJodit(
+							(options && JSON.parse(options)) || {},
+							area
+						);
+					}
+
 					jodit.value = key;
 					setCursorToChar(jodit);
 					simulateEvent(
@@ -753,31 +769,31 @@ describe('Backspace/Delete key', function () {
 
 			describe('HR has different display style', function () {
 				it('Should also remove HR but cursor should leave inside P', function () {
-					const editor = getJodit({
-						iframe: true,
-						iframeStyle:
-							Jodit.defaultOptions.iframeStyle +
-							'hr {display: inline-block;}'
-					});
+					editor.destruct();
+					const jodit = getJodit(
+						{
+							iframe: true,
+							iframeStyle:
+								Jodit.defaultOptions.iframeStyle +
+								'hr {display: inline-block;}'
+						},
+						area
+					);
 
-					editor.value = '<p>lets</p><hr><p>test</p>';
+					jodit.value = '<p>lets</p><hr><p>test</p>';
 
-					const range = editor.s.createRange();
+					const range = jodit.s.createRange();
 
 					// set cursor in start of element
 
-					range.selectNodeContents(editor.editor.lastChild);
+					range.selectNodeContents(jodit.editor.lastChild);
 					range.collapse(true);
-					editor.s.selectRange(range);
+					jodit.s.selectRange(range);
 
-					simulateEvent(
-						'keydown',
-						Jodit.KEY_BACKSPACE,
-						editor.editor
-					);
+					simulateEvent('keydown', Jodit.KEY_BACKSPACE, jodit.editor);
 
-					editor.s.insertNode(editor.createInside.text(' 2 '));
-					expect(editor.value).equals('<p>lets</p><p> 2 test</p>');
+					jodit.s.insertNode(jodit.createInside.text(' 2 '));
+					expect(jodit.value).equals('<p>lets</p><p> 2 test</p>');
 				});
 			});
 		});
@@ -801,8 +817,6 @@ describe('Backspace/Delete key', function () {
 
 				describe('H1 with BR', function () {
 					it('Should simple remove this H1', function () {
-						const editor = getJodit();
-
 						editor.value = '<h1><br></h1><p>|test</p>';
 						setCursorToChar(editor);
 
@@ -819,8 +833,6 @@ describe('Backspace/Delete key', function () {
 
 			describe('Delete', function () {
 				it('Should simple remove this H1', function () {
-					const editor = getJodit();
-
 					editor.value = '<p>test|</p><h1></h1>';
 					setCursorToChar(editor);
 
@@ -831,8 +843,6 @@ describe('Backspace/Delete key', function () {
 
 				describe('H1 with BR', function () {
 					it('Should simple remove this H1', function () {
-						const editor = getJodit();
-
 						editor.value = '<p>test|</p><h1><br></h1>';
 						setCursorToChar(editor);
 						simulateEvent(
@@ -850,8 +860,6 @@ describe('Backspace/Delete key', function () {
 
 	describe('inside empty TD', function () {
 		it('Should doing nothing', function () {
-			const editor = getJodit();
-
 			editor.value =
 				'<table><tbody>' + '<tr><td></td></tr>' + '</tbody></table>';
 
@@ -899,7 +907,6 @@ describe('Backspace/Delete key', function () {
 	describe('Cursor after/before element', function () {
 		describe('Backspace key', function () {
 			it('Should remove that element', function () {
-				const editor = getJodit();
 				editor.value = '<p><img src="tests/artio.jpg"/>|test</p>';
 				setCursorToChar(editor);
 
@@ -913,7 +920,6 @@ describe('Backspace/Delete key', function () {
 
 			describe('After P before Table', function () {
 				it('Should remove P', function () {
-					const editor = getJodit();
 					editor.value =
 						'<p><br></p><table><tbody><tr><td>1</td></tr></tbody></table>';
 
@@ -943,7 +949,6 @@ describe('Backspace/Delete key', function () {
 
 		describe('Delete key', function () {
 			it('Should remove that element', function () {
-				const editor = getJodit();
 				editor.value = '<p>test|<img src="tests/artio.jpg"/></p>';
 				setCursorToChar(editor);
 
@@ -959,7 +964,6 @@ describe('Backspace/Delete key', function () {
 
 	describe('After contenteditable false', () => {
 		it('Should remove this element', () => {
-			const editor = getJodit();
 			editor.value =
 				'<div data-jodit-page-break="true" contenteditable="false">Page break</div><p>|<br></p>';
 			setCursorToChar(editor);
diff --git a/src/plugins/clean-html/clean-html.test.js b/src/plugins/clean-html/clean-html.test.js
index 7915f75ad..b596a7ed5 100644
--- a/src/plugins/clean-html/clean-html.test.js
+++ b/src/plugins/clean-html/clean-html.test.js
@@ -217,7 +217,7 @@ describe('Clean html plugin', function () {
 	});
 
 	describe('History', function () {
-		it('Should not change history stack length', function (done) {
+		it('Should not change history stack length', async () => {
 			const editor = getJodit({
 				cleanHTML: {
 					timeout: 0
@@ -227,14 +227,15 @@ describe('Clean html plugin', function () {
 			editor.value = '<p>test <b>old</b> test</p>';
 			expect(editor.history.length).eq(1);
 
-			editor.e.on('finishedCleanHTMLWorker', () => {
-				expect(editor.value).equals(
-					'<p>test <strong>old</strong> test</p>'
-				);
+			await editor.async.promise(resolve =>
+				editor.e.on('finishedCleanHTMLWorker', resolve)
+			);
 
-				expect(editor.history.length).eq(1);
-				done();
-			});
+			expect(editor.value).equals(
+				'<p>test <strong>old</strong> test</p>'
+			);
+
+			expect(editor.history.length).eq(1);
 		});
 
 		describe('Replace old tags', function () {
diff --git a/src/plugins/iframe/iframe.test.js b/src/plugins/iframe/iframe.test.js
index d46466734..64c9aabac 100644
--- a/src/plugins/iframe/iframe.test.js
+++ b/src/plugins/iframe/iframe.test.js
@@ -274,7 +274,7 @@
 									resolve();
 								};
 
-								setTimeout(function () {
+								jodit.async.setTimeout(function () {
 									resolve();
 								}, 4000);
 
diff --git a/src/plugins/limit/limit.test.js b/src/plugins/limit/limit.test.js
index 8d49bdeb8..5fff9bd9e 100644
--- a/src/plugins/limit/limit.test.js
+++ b/src/plugins/limit/limit.test.js
@@ -18,7 +18,7 @@ describe('Limit plugin', function () {
 				editor.value = '11111';
 				editor.s.insertHTML('a');
 
-				setTimeout(() => {
+				editor.async.setTimeout(() => {
 					expect(editor.value).equals('<p>11111</p>');
 					done();
 				}, 200);
@@ -64,11 +64,11 @@ describe('Limit plugin', function () {
 						limitChars: 5
 					});
 
-					editor.value = '<p>11111</p>';
+					editor.value = '<p>|11111|</p>';
 					setCursorToChar(editor);
 
 					editor.e.on('keyup.limit', e => {
-						setTimeout(() => {
+						editor.async.setTimeout(() => {
 							try {
 								expect(e.ctrlKey).is.true;
 								expect(e.defaultPrevented).is.false;
@@ -99,7 +99,7 @@ describe('Limit plugin', function () {
 					editor.s.insertHTML('a');
 					editor.s.insertHTML('a');
 
-					setTimeout(() => {
+					editor.async.setTimeout(() => {
 						expect(editor.value).equals('<p>a1111</p>');
 						const chars = editor.statusbar.container.querySelector(
 							'.jodit-status-bar__item'
@@ -132,7 +132,7 @@ describe('Limit plugin', function () {
 						expect(simulateEvent('keydown', 'v', editor.editor)).is
 							.false;
 
-						setTimeout(() => {
+						editor.async.setTimeout(() => {
 							expect(editor.value).equals('<p>11111</p>');
 							const chars =
 								editor.statusbar.container.querySelector(
@@ -168,7 +168,7 @@ describe('Limit plugin', function () {
 					};
 				});
 
-				setTimeout(() => {
+				editor.async.setTimeout(() => {
 					expect(editor.value).equals('<p>11111</p>');
 					done();
 				}, 200);
@@ -194,7 +194,7 @@ describe('Limit plugin', function () {
 					}
 				}));
 
-				setTimeout(() => {
+				editor.async.setTimeout(() => {
 					expect(editor.value).equals('<p>11111</p>');
 					done();
 				}, 200);
@@ -230,7 +230,7 @@ describe('Limit plugin', function () {
 					};
 
 					const timeout = () => {
-						setTimeout(() => {
+						editor.async.setTimeout(() => {
 							expect(editor.value).equals('<p>11111 aaa aaa</p>');
 							done();
 						}, 200);
diff --git a/src/plugins/resizer/resizer.test.js b/src/plugins/resizer/resizer.test.js
index 767d7f96e..067b5eb8a 100644
--- a/src/plugins/resizer/resizer.test.js
+++ b/src/plugins/resizer/resizer.test.js
@@ -4,10 +4,10 @@
  * Copyright (c) 2013-2023 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
  */
 
-describe('Resize plugin', function () {
-	describe('Resize box', function () {
-		describe('In relative object', function () {
-			it('should be in front of image', function () {
+describe('Resize plugin', () => {
+	describe('Resize box', () => {
+		describe('In relative object', () => {
+			it('should be in front of image', () => {
 				const div = document.createElement('div');
 				div.innerHTML =
 					'<div style="width:800px; margin:auto; border:1px solid red;">\n' +
@@ -40,8 +40,8 @@ describe('Resize plugin', function () {
 			});
 		});
 
-		describe('After resize - popup', function () {
-			it('should be hidden and after this should be shown', function () {
+		describe('After resize - popup', () => {
+			it('should be hidden and after this should be shown', () => {
 				const div = document.createElement('div');
 				div.innerHTML =
 					'<div style="width:800px; margin:auto; border:1px solid red;">\n' +
@@ -95,7 +95,7 @@ describe('Resize plugin', function () {
 			});
 		});
 
-		describe('Resize image', function () {
+		describe('Resize image', () => {
 			const resizeImage = function (editor) {
 				const img = editor.editor.querySelector('img');
 
@@ -124,7 +124,7 @@ describe('Resize plugin', function () {
 				});
 			};
 
-			describe('Size box', function () {
+			describe('Size box', () => {
 				it('Should show size for image', function (done) {
 					const editor = getJodit({
 						history: {
@@ -182,14 +182,14 @@ describe('Resize plugin', function () {
 
 					expect(sizer.style.opacity).equals('1');
 
-					setTimeout(function () {
+					editor.async.setTimeout(() => {
 						expect(sizer.style.opacity).equals('0');
 						done();
 					}, 500);
 				});
 
-				describe('For small state', function () {
-					it('Should hide size', function () {
+				describe('For small state', () => {
+					it('Should hide size', () => {
 						const editor = getJodit({
 							history: {
 								timeout: 0
@@ -251,7 +251,7 @@ describe('Resize plugin', function () {
 
 				describe('Save aspect ratio', () => {
 					describe('Disable useAspectRatio option', () => {
-						it("should don't save it", done => {
+						it("should don't save it", async () => {
 							const editor = getJodit({
 								resizer: {
 									useAspectRatio: false
@@ -261,48 +261,39 @@ describe('Resize plugin', function () {
 							editor.value =
 								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width: 301px;"/></p>';
 
-							onLoadImage(
-								editor.editor.querySelector('img'),
-								() => {
-									resizeImage(editor);
+							await onLoadImage(
+								editor.editor.querySelector('img')
+							);
+							resizeImage(editor);
 
-									expect(sortAttributes(editor.value)).eq(
-										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
-									);
-									done();
-								}
+							expect(sortAttributes(editor.value)).eq(
+								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
 							);
 						});
 
 						describe('With Alt button', () => {
-							it("should don't save it", done => {
+							it("should don't save it", async () => {
 								const editor = getJodit();
 
 								editor.value =
 									'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width: 301px;"/></p>';
 
-								onLoadImage(
-									editor.editor.querySelector('img'),
-									() => {
-										simulateEvent(
-											'keydown',
-											'Alt',
-											editor.ew
-										);
-										resizeImage(editor);
-
-										expect(sortAttributes(editor.value)).eq(
-											'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
-										);
-										done();
-									}
+								await onLoadImage(
+									editor.editor.querySelector('img')
+								);
+
+								simulateEvent('keydown', 'Alt', editor.ew);
+								resizeImage(editor);
+
+								expect(sortAttributes(editor.value)).eq(
+									'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
 								);
 							});
 						});
 					});
 
 					describe('Enable useAspectRatio only for table', () => {
-						it("should don't save it for images", done => {
+						it("should don't save it for images", async () => {
 							const editor = getJodit({
 								resizer: {
 									useAspectRatio: new Set(['table'])
@@ -312,22 +303,20 @@ describe('Resize plugin', function () {
 							editor.value =
 								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width: 301px;"/></p>';
 
-							onLoadImage(
-								editor.editor.querySelector('img'),
-								() => {
-									resizeImage(editor);
+							await onLoadImage(
+								editor.editor.querySelector('img')
+							);
 
-									expect(sortAttributes(editor.value)).eq(
-										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
-									);
-									done();
-								}
+							resizeImage(editor);
+
+							expect(sortAttributes(editor.value)).eq(
+								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:159px;width:311px"></p>'
 							);
 						});
 					});
 
 					describe('Enable useAspectRatio for all', () => {
-						it('should save it for all', done => {
+						it('should save it for all', async () => {
 							const editor = getJodit({
 								resizer: {
 									useAspectRatio: true
@@ -337,16 +326,14 @@ describe('Resize plugin', function () {
 							editor.value =
 								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width: 301px;"/></p>';
 
-							onLoadImage(
-								editor.editor.querySelector('img'),
-								() => {
-									resizeImage(editor);
+							await onLoadImage(
+								editor.editor.querySelector('img')
+							);
 
-									expect(sortAttributes(editor.value)).eq(
-										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:175px;width:311px"></p>'
-									);
-									done();
-								}
+							resizeImage(editor);
+
+							expect(sortAttributes(editor.value)).eq(
+								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:175px;width:311px"></p>'
 							);
 						});
 					});
@@ -354,7 +341,7 @@ describe('Resize plugin', function () {
 
 				describe('For styled image', () => {
 					describe('Disable forImageChangeAttributes', () => {
-						it('Should change only styles width and height', done => {
+						it('Should change only styles width and height', async () => {
 							const editor = getJodit({
 								history: {
 									timeout: 0
@@ -364,23 +351,20 @@ describe('Resize plugin', function () {
 							editor.value =
 								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width: 301px;"/></p>';
 
-							onLoadImage(
-								editor.editor.querySelector('img'),
-								() => {
-									resizeImage(editor);
+							await onLoadImage(
+								editor.editor.querySelector('img')
+							);
+							resizeImage(editor);
 
-									expect(sortAttributes(editor.value)).eq(
-										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:175px;width:311px"></p>'
-									);
-									done();
-								}
+							expect(sortAttributes(editor.value)).eq(
+								'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:175px;width:311px"></p>'
 							);
 						});
 					});
 
 					describe('Enable forImageChangeAttributes', () => {
 						describe('Does not has width or height styles', () => {
-							it('Should change only attributes width and height', done => {
+							it('Should change only attributes width and height', async () => {
 								const editor = getJodit({
 									resizer: {
 										forImageChangeAttributes: true
@@ -393,23 +377,20 @@ describe('Resize plugin', function () {
 								editor.value =
 									'<p><img src="https://xdsoft.net/jodit/files/artio.jpg"/></p>';
 
-								onLoadImage(
-									editor.editor.querySelector('img'),
-									() => {
-										resizeImage(editor);
+								await onLoadImage(
+									editor.editor.querySelector('img')
+								);
+								resizeImage(editor);
 
-										expect(sortAttributes(editor.value)).eq(
-											'<p><img height="287" src="https://xdsoft.net/jodit/files/artio.jpg" width="510"></p>'
-										);
-										done();
-									}
+								expect(sortAttributes(editor.value)).eq(
+									'<p><img height="287" src="https://xdsoft.net/jodit/files/artio.jpg" width="510"></p>'
 								);
 							});
 						});
 
 						describe('Has width or height styles', () => {
 							describe('Has width style', () => {
-								it('Should change attributes width and height and width styles', done => {
+								it('Should change attributes width and height and width styles', async () => {
 									const editor = getJodit({
 										resizer: {
 											forImageChangeAttributes: true
@@ -422,24 +403,20 @@ describe('Resize plugin', function () {
 									editor.value =
 										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width:300px"/></p>';
 
-									onLoadImage(
-										editor.editor.querySelector('img'),
-										() => {
-											resizeImage(editor);
-
-											expect(
-												sortAttributes(editor.value)
-											).eq(
-												'<p><img height="175" src="https://xdsoft.net/jodit/files/artio.jpg" style="width:310px" width="310"></p>'
-											);
-											done();
-										}
+									await onLoadImage(
+										editor.editor.querySelector('img')
+									);
+
+									resizeImage(editor);
+
+									expect(sortAttributes(editor.value)).eq(
+										'<p><img height="175" src="https://xdsoft.net/jodit/files/artio.jpg" style="width:310px" width="310"></p>'
 									);
 								});
 							});
 
 							describe('Has height style', () => {
-								it('Should change attributes width and height and height styles', done => {
+								it('Should change attributes width and height and height styles', async () => {
 									const editor = getJodit({
 										resizer: {
 											forImageChangeAttributes: true
@@ -452,24 +429,20 @@ describe('Resize plugin', function () {
 									editor.value =
 										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="height:300px"/></p>';
 
-									onLoadImage(
-										editor.editor.querySelector('img'),
-										() => {
-											resizeImage(editor);
-
-											expect(
-												sortAttributes(editor.value)
-											).eq(
-												'<p><img height="306" src="https://xdsoft.net/jodit/files/artio.jpg" style="height:306px" width="544"></p>'
-											);
-											done();
-										}
+									await onLoadImage(
+										editor.editor.querySelector('img')
+									);
+
+									resizeImage(editor);
+
+									expect(sortAttributes(editor.value)).eq(
+										'<p><img height="306" src="https://xdsoft.net/jodit/files/artio.jpg" style="height:306px" width="544"></p>'
 									);
 								});
 							});
 
 							describe('Has both height and width style', () => {
-								it('Should change attributes width and height and width and height styles', done => {
+								it('Should change attributes width and height and width and height styles', async () => {
 									const editor = getJodit({
 										resizer: {
 											forImageChangeAttributes: true
@@ -482,18 +455,14 @@ describe('Resize plugin', function () {
 									editor.value =
 										'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width:300px;height:300px"/></p>';
 
-									onLoadImage(
-										editor.editor.querySelector('img'),
-										() => {
-											resizeImage(editor);
-
-											expect(
-												sortAttributes(editor.value)
-											).eq(
-												'<p><img height="310" src="https://xdsoft.net/jodit/files/artio.jpg" style="height:310px;width:310px" width="310"></p>'
-											);
-											done();
-										}
+									await onLoadImage(
+										editor.editor.querySelector('img')
+									);
+
+									resizeImage(editor);
+
+									expect(sortAttributes(editor.value)).eq(
+										'<p><img height="310" src="https://xdsoft.net/jodit/files/artio.jpg" style="height:310px;width:310px" width="310"></p>'
 									);
 								});
 							});
@@ -502,66 +471,56 @@ describe('Resize plugin', function () {
 				});
 			});
 
-			it('Should not allow to resize image more then width of editor', function (done) {
+			it('Should not allow to resize image more then width of editor', async () => {
 				getBox().style.width = '600px';
 				const editor = getJodit();
 				const image = new Image();
-				image.src = 'tests/artio.jpg';
+				image.src = 'https://xdsoft.net/jodit/files/artio.jpg';
 
-				const callback = function () {
-					const ratio = image.naturalWidth / image.naturalHeight;
+				await onLoadImage(image);
 
-					editor.value =
-						'<img src="tests/artio.jpg" style="width:500px;height: 281px;"/>';
-					const img = editor.editor.querySelector('img');
-					simulateEvent(['mousedown', 'mouseup', 'click'], 0, img);
-					const resizer = document.querySelector(
-						'.jodit-resizer[data-editor_id=' + editor.id + ']'
-					);
-					expect(resizer).is.not.null;
+				const ratio = image.naturalWidth / image.naturalHeight;
 
-					const positionResizer = offset(resizer);
-					//
+				editor.value =
+					'<p><img src="https://xdsoft.net/jodit/files/artio.jpg" style="width:500px;height: 281px;"/></p>';
+				const img = editor.editor.querySelector('img');
+				await onLoadImage(img);
 
-					simulateEvent(
-						'mousedown',
-						resizer.getElementsByTagName('div')[1]
-					);
+				simulateEvent(['mousedown', 'mouseup', 'click'], 0, img);
+				const resizer = document.querySelector(
+					'.jodit-resizer[data-editor_id=' + editor.id + ']'
+				);
+				expect(resizer).is.not.null;
 
-					simulateEvent(
-						'mousemove',
-						editor.ownerWindow,
-						function (data) {
-							data.clientX = positionResizer.left + 1000;
-							data.clientY = positionResizer.top + 1000;
-						}
-					);
+				const positionResizer = offset(resizer);
+				//
 
-					simulateEvent(
-						'mouseup',
-						editor.ownerWindow,
-						function (data) {
-							data.clientX = positionResizer.left + 1000;
-							data.clientY = positionResizer.top + 1000;
-						}
-					);
-					const newratio = img.offsetWidth / img.offsetHeight;
+				simulateEvent(
+					'mousedown',
+					resizer.getElementsByTagName('div')[1]
+				);
 
-					expect(img.offsetWidth).equals(
-						editor.editor.offsetWidth - 16
-					);
+				simulateEvent('mousemove', editor.ownerWindow, function (data) {
+					data.clientX = positionResizer.left + 1000;
+					data.clientY = positionResizer.top + 1000;
+				});
+
+				simulateEvent('mouseup', editor.ownerWindow, function (data) {
+					data.clientX = positionResizer.left + 1000;
+					data.clientY = positionResizer.top + 1000;
+				});
+				const newRatio = img.offsetWidth / img.offsetHeight;
 
-					expect(Math.abs(newratio - ratio) < 0.003).is.true;
-					done();
-				};
+				expect(img.offsetWidth).equals(editor.editor.offsetWidth - 16);
 
-				onLoadImage(image, callback);
+				console.log(newRatio, ratio);
+				expect(Math.abs(newRatio - ratio) < 0.003).is.true;
 			});
 		});
 	});
 
-	describe('For iframes', function () {
-		it('should wrap these iframes inside JODIT tag', function () {
+	describe('For iframes', () => {
+		it('should wrap these iframes inside JODIT tag', () => {
 			const editor = getJodit();
 			editor.value =
 				'<iframe style="border: 0px currentColor; border-image: none;" src="https://www.google.com/maps/embed" frameborder="0" width="100%" height="500"></iframe>' +
@@ -573,8 +532,8 @@ describe('Resize plugin', function () {
 			).equals('IFRAME');
 		});
 
-		describe('Output HTML', function () {
-			it('should not contains JODIT tag', function () {
+		describe('Output HTML', () => {
+			it('should not contains JODIT tag', () => {
 				const editor = getJodit();
 				editor.value =
 					'<iframe style="border: 0px currentColor; border-image: none;" src="https://www.google.com/maps/embed" frameborder="0" width="100%" height="500"></iframe>' +
diff --git a/src/plugins/source/source.test.js b/src/plugins/source/source.test.js
index a46fa8a86..32d6c9ef6 100644
--- a/src/plugins/source/source.test.js
+++ b/src/plugins/source/source.test.js
@@ -20,7 +20,7 @@ describe('Source code test', function () {
 
 			let editor;
 
-			timeout = setTimeout(function () {
+			timeout = /*ok*/ setTimeout(function () {
 				expect(false).is.true;
 				__done.call(editor);
 			}, 5000);
@@ -63,7 +63,7 @@ describe('Source code test', function () {
 
 				let editor;
 
-				timeout = setTimeout(function () {
+				timeout = /*ok*/ setTimeout(function () {
 					expect(false).is.true;
 					__done.call(editor);
 				}, 5000);
@@ -77,7 +77,7 @@ describe('Source code test', function () {
 								return false;
 							},
 							sourceEditorReady: function (editor) {
-								setTimeout(() => {
+								editor.async.setTimeout(() => {
 									expect(
 										editor.__plugins.source.sourceEditor.getValue()
 									).equals('<p>pop</p>');
@@ -145,7 +145,7 @@ describe('Source code test', function () {
 					done();
 				};
 
-				timeout = setTimeout(function () {
+				timeout = /*ok*/ setTimeout(function () {
 					expect(false).is.true;
 					__done();
 				}, 140100);
diff --git a/test/bootstrap.js b/test/bootstrap.js
index e66ea8f8d..44cae9e38 100644
--- a/test/bootstrap.js
+++ b/test/bootstrap.js
@@ -51,7 +51,7 @@ if (typeof window.toolbarButtonsCount !== 'number') {
  */
 function delay(timeout) {
 	return new naturalPromise(resolve => {
-		setTimeout(resolve, timeout);
+		/*ok*/ setTimeout(resolve, timeout);
 	});
 }
 
@@ -937,12 +937,18 @@ function one(event, element, callback) {
  * @param {HTMLImageElement} image
  * @param {Function} callback
  */
-function onLoadImage(image, callback) {
-	if (!image.complete) {
-		one('load', image, callback);
-	} else {
-		callback.apply(image);
-	}
+function onLoadImage(image, callback = () => {}) {
+	return new naturalPromise(resolve => {
+		if (!image.complete) {
+			one('load', image, () => {
+				callback.call(image);
+				resolve();
+			});
+		} else {
+			callback.call(image);
+			resolve();
+		}
+	});
 }
 
 /**
diff --git a/test/tests/acceptance/commands.test.js b/test/tests/acceptance/commands.test.js
index af23c70b9..12badb927 100644
--- a/test/tests/acceptance/commands.test.js
+++ b/test/tests/acceptance/commands.test.js
@@ -3,6 +3,7 @@
  * Released under MIT see LICENSE.txt in the project root for license information.
  * Copyright (c) 2013-2023 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
  */
+
 describe('Commands Jodit Editor Tests', function () {
 	describe('Command "formatBlock"', function () {
 		it('Try exec the command "formatBlock" for several elements', function () {
diff --git a/test/tests/acceptance/inline-mode.test.js b/test/tests/acceptance/inline-mode.test.js
index 004f388e6..eee6df0ba 100644
--- a/test/tests/acceptance/inline-mode.test.js
+++ b/test/tests/acceptance/inline-mode.test.js
@@ -567,7 +567,7 @@ describe('Test Inline mode', function () {
 
 					simulateEvent('mouseup', input);
 
-					setTimeout(function () {
+					editor.async.setTimeout(function () {
 						expect(getOpenedPopup(editor)).eq(linkPopup);
 
 						input.value = 'https://xdsoft.net/jodit/';
@@ -611,6 +611,7 @@ describe('Test Inline mode', function () {
 				describe('Disable toolbarInline = false', function () {
 					it('Should show inline popup', function (done) {
 						unmockPromise();
+
 						Jodit.make(appendTestDiv(), {
 							toolbarInline: false,
 							iframe: true,
@@ -622,6 +623,7 @@ describe('Test Inline mode', function () {
 									simulateEvent('click', 0, img);
 									const popup = getOpenedPopup(editor);
 									expect(popup).is.null;
+
 									done();
 								}
 							}
@@ -641,7 +643,7 @@ describe('Test Inline mode', function () {
 									editor.value = '<p>test <img/> test</p>';
 									const img =
 										editor.editor.querySelector('img');
-									simulateEvent('click', 0, img);
+									simulateEvent('click', img);
 									const popup = getOpenedPopup(editor);
 									expect(popup).is.not.null;
 									done();
@@ -662,7 +664,7 @@ describe('Test Inline mode', function () {
 								editor.value =
 									'<p>test <a href="#test">test</a> test</p>';
 								const a = editor.editor.querySelector('a');
-								simulateEvent('click', 0, a);
+								simulateEvent('click', a);
 								const popup = getOpenedPopup(editor);
 								expect(popup).is.not.null;
 								done();