Update src/Caliburn.Micro.Core.Tests/EventAggregatorExtensionsTests.cs

Co-authored-by: Copilot <[email protected]>

Author: vb2ae

src/Caliburn.Micro.Core.Tests/EventAggregatorExtensionsTests.cs

@@ -73,7 +73,10 @@ public async Task PublishOnCurrentThreadAsync_CallsHandleAsyncOnAllSubscribedTar
             var mockTargets = new Mock<IHandle<object>>[20];
             for (int i = 0; i < mockTargets.Length; i++)
             {
-                mockTargets[i] = new Mock<IHandle<object>>();
+            var mockTargets = new Mock<IHandle<string>>[20];
+            for (int i = 0; i < mockTargets.Length; i++)
+            {
+                mockTargets[i] = new Mock<IHandle<string>>();
                 eventAggregator.SubscribeOnPublishedThread(mockTargets[i].Object);
             }