migrate jest and jest-extended conf in tests

test/eslint.config.mjs

@@ -0,0 +1,47 @@
+/*
+Copyright 2021 Bonitasoft S.A.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+const pluginJest = require('eslint-plugin-jest');
+const pluginJestExtended = require('eslint-plugin-jest-extended');
+
+module.exports = [
+  {
+    files: ['**/*.test.ts'],
+    plugins: { jest: pluginJest, 'jest-extended': pluginJestExtended },
+    ...jest.configs['flat/recommended'],
+    ...jest.configs['flat/style'],
+    ...'jest-extended'.configs['flat/recommended'],
+    languageOptions: {
+      globals: pluginJest.environments.globals.globals,
+    },
+    settings: {
+      jest: {
+        version: require('jest/package.json').version,
+      },
+    },
+    rules: {
+      ...jest.configs['flat/recommended'].rules,
+      ...jest.configs['flat/style'].rules,
+      ...'jest-extended'.configs['flat/recommended'].rules,
+      /* The rule list: https://github.com/jest-community/eslint-plugin-jest#rules */
+      'jest/prefer-expect-resolves': 'warn',
+      'jest/prefer-spy-on': 'warn',
+      'jest/prefer-todo': 'warn',
+      /* The rule didn't find the 'expect' in the called methods */
+      'jest/expect-expect': 'off',
+    },
+  },
+];