diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 751a42e2..e4978f70 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
         env:
             DEVELOPER_DIR: /Applications/Xcode_14.3.app/Contents/Developer
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v3
             - name: Build
               run: swift build -v
             - name: Run tests
@@ -25,7 +25,7 @@ jobs:
                 swift: [5.8]
         container: swift:${{ matrix.swift }}
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v3
             - name: Install sqlite
               run: apt-get -q update && apt-get install -y libsqlite3-dev
             - name: Build
diff --git a/Tests/Alchemy/Queues/QueueTests.swift b/Tests/Alchemy/Queues/QueueTests.swift
index 1b9495c4..f2d65664 100644
--- a/Tests/Alchemy/Queues/QueueTests.swift
+++ b/Tests/Alchemy/Queues/QueueTests.swift
@@ -121,6 +121,37 @@ final class QueueTests: TestCase<TestApp> {
         XCTAssertEqual(jobData.jobName, "RetryJob", file: file, line: line)
         XCTAssertEqual(jobData.attempts, 1, file: file, line: line)
     }
+
+#if os(Linux)
+    /// 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
 }
 
 private struct FailureJob: Job, Codable {
diff --git a/Tests/Alchemy/_Utilities/Linux+Testing.swift b/Tests/Alchemy/_Utilities/Linux+Testing.swift
index a6b8f335..d9fad6fc 100644
--- a/Tests/Alchemy/_Utilities/Linux+Testing.swift
+++ b/Tests/Alchemy/_Utilities/Linux+Testing.swift
@@ -19,7 +19,6 @@ extension XCTestCase {
     ///   provide this parameter when calling this method.
     ///
     /// - SeeAlso: XCTWaiter
-    @available(macOS 12.0, *)
     func fulfillment(of expectations: [XCTestExpectation], timeout: TimeInterval, enforceOrder: Bool = false, file: StaticString = #file, line: Int = #line) async {
         return await withCheckedContinuation { continuation in
             // This function operates by blocking a background thread instead of one owned by libdispatch or by the