Update ConcurrentConsumingTaskCollectionCoyoteTests.cs

Author: woutervanranst

src/WouterVanRanst.Utils.Tests/ConcurrentConsumingTaskCollectionCoyoteTests.cs

@@ -13,7 +13,7 @@ public class TaskCompletionBufferCoyoteTests
     /// Tests concurrent addition of tasks and completion signaling to ensure
     /// all tasks are processed and no invalid operations occur.
     /// </summary>
-    [Test]
+    [Fact]
     public static async Task TestConcurrentAddAndCompleteAdding()
     {
         var configuration = Configuration.Create().WithTestingIterations(100);
@@ -37,6 +37,8 @@ public static async Task TestConcurrentAddAndCompleteAdding()
                 }
             });
 
+            await producer;
+
             // Signal completion concurrently
             var completer = Task.Run(() => buffer.CompleteAdding());