fix gh action attempt 2

.github/workflows/swift.yml

@@ -11,10 +11,11 @@ on:
 
 jobs:
   build:
-
     runs-on: macos-latest
-
     steps:
+    - uses: swift-actions/setup-swift@v1
+      with:
+        swift-version: '5.5'
     - uses: actions/checkout@v3
     - name: Build
       run: swift build -v

Tests/SwiftFileStoreTests/FileObjectStoreTests.swift

@@ -70,39 +70,3 @@ final class FileObjectStoreTests: XCTestCase {
     await fulfillment(of: [expectation2], timeout: 1)
   }
 }
-
-
-#if os(Linux)
-import XCTest
-
-extension XCTestCase {
-    /// Wait on an array of expectations for up to the specified timeout, and optionally specify whether they
-    /// must be fulfilled in the given order. May return early based on fulfillment of the waited on expectations.
-    ///
-    /// - Parameter expectations: The expectations to wait on.
-    /// - Parameter timeout: The maximum total time duration to wait on all expectations.
-    /// - Parameter enforceOrder: Specifies whether the expectations must be fulfilled in the order
-    ///   they are specified in the `expectations` Array. Default is false.
-    /// - Parameter file: The file name to use in the error message if
-    ///   expectations are not fulfilled before the given timeout. Default is the file
-    ///   containing the call to this method. It is rare to provide this
-    ///   parameter when calling this method.
-    /// - Parameter line: The line number to use in the error message if the
-    ///   expectations are not fulfilled before the given timeout. Default is the line
-    ///   number of the call to this method in the calling file. It is rare to
-    ///   provide this parameter when calling this method.
-    ///
-    /// - SeeAlso: XCTWaiter
-    func fulfillment(of expectations: [XCTestExpectation], timeout: TimeInterval, enforceOrder: Bool = false) async {
-        return await withCheckedContinuation { continuation in
-            // This function operates by blocking a background thread instead of one owned by libdispatch or by the
-            // Swift runtime (as used by Swift concurrency.) To ensure we use a thread owned by neither subsystem, use
-            // Foundation's Thread.detachNewThread(_:).
-            Thread.detachNewThread { [self] in
-                wait(for: expectations, timeout: timeout, enforceOrder: enforceOrder)
-                continuation.resume()
-            }
-        }
-    }
-}
-#endif