Fix xUnit code warnings

src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/DefaultRazorProjectServiceTest.cs

@@ -908,7 +908,9 @@ public class DefaultRazorProjectServiceTest : LanguageServerTestBase
                 // We updated the project in the DocumentChanged callback, so we expect to get a new snapshot
                 Assert.NotSame(ownerProject.GetDocument(documentFilePath), snapshot);
                 Assert.Equal(documentFilePath, snapshot.FilePath);
+#pragma warning disable xUnit1031 // Do not use blocking task operations in test method
                 Assert.Equal(newText, snapshot.GetTextAsync().Result);
+#pragma warning restore xUnit1031
                 Assert.Equal(1337, version);
             });
         var projectSnapshotManager = new Mock<ProjectSnapshotManagerBase>(MockBehavior.Strict);

src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/DefaultWorkspaceSemanticTokensRefreshPublisherTest.cs

@@ -40,7 +40,7 @@ public class DefaultWorkspaceSemanticTokensRefreshPublisherTest : LanguageServer
         testAccessor.WaitForEmpty();
 
         // Assert
-        Assert.Equal(0, serverClient.Requests.Count);
+        Assert.Empty(serverClient.Requests);
     }
 
     [Fact]

src/Razor/test/Microsoft.VisualStudio.Editor.Razor.Test/DefaultVisualStudioRazorParserTest.cs

@@ -616,7 +616,7 @@ public class DefaultVisualStudioRazorParserTest : ProjectSnapshotManagerDispatch
             parser.StartParser();
 
             // Assert
-            Assert.Equal(1, textBuffer.AttachedChangedEvents.Count);
+            Assert.Single(textBuffer.AttachedChangedEvents);
             Assert.NotNull(parser._parser);
         }
     }

src/Razor/test/Microsoft.VisualStudio.LanguageServer.ContainedLanguage.Test/DefaultLSPDocumentFactoryTest.cs

@@ -101,7 +101,7 @@ public class DefaultLSPDocumentFactoryTest : TestBase
         var lspDocument = factory.Create(textBuffer);
 
         // Assert
-        Assert.Equal(0, lspDocument.VirtualDocuments.Count);
+        Assert.Empty(lspDocument.VirtualDocuments);
     }
 
     [Fact]

src/Razor/test/Microsoft.VisualStudio.LanguageServerClient.Razor.Test/RazorLSPSpanMappingServiceTest.cs

@@ -83,7 +83,7 @@ public class RazorLSPSpanMappingServiceTest : TestBase
         var expectedResult = (expectedFilePath, expectedLinePosition, expectedSpan);
 
         // Act
-        var result = await service.MapSpansAsyncTest(spans, _sourceTextGenerated, _sourceTextRazor).ConfigureAwait(false);
+        var result = await service.MapSpansAsyncTest(spans, _sourceTextGenerated, _sourceTextRazor);
 
         // Assert
         Assert.True(called);
@@ -120,7 +120,7 @@ public class RazorLSPSpanMappingServiceTest : TestBase
         var service = new RazorLSPSpanMappingService(documentMappingProvider.Object, documentSnapshot.Object, textSnapshot);
 
         // Act
-        var result = await service.MapSpansAsyncTest(spans, _sourceTextGenerated, _sourceTextRazor).ConfigureAwait(false);
+        var result = await service.MapSpansAsyncTest(spans, _sourceTextGenerated, _sourceTextRazor);
 
         // Assert
         Assert.True(called);

src/Razor/test/Microsoft.VisualStudio.LanguageServerClient.Razor.Test/RazorProjectInfoPublisherTest.cs

@@ -68,7 +68,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var stalePublishTask = Assert.Single(publisher.DeferredPublishTasks);
-        await stalePublishTask.Value.ConfigureAwait(false);
+        await stalePublishTask.Value;
         Assert.True(serializationSuccessful);
     }
 
@@ -150,7 +150,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
         await RunOnDispatcherThreadAsync(() =>
         {
             _projectSnapshotManager.DocumentOpened(hostProject.Key, hostDocument.FilePath, SourceText.From(string.Empty));
-        }).ConfigureAwait(false);
+        });
         
 
         // Assert
@@ -189,7 +189,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
         Assert.True(serializationSuccessful);
     }
 
@@ -226,7 +226,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Flush publish task
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
         aboutToChange = true;
         publisher.DeferredPublishTasks.Clear();
 
@@ -264,7 +264,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
 
         Assert.False(attemptedToSerialize);
     }
@@ -298,7 +298,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
         Assert.True(serializationSuccessful);
     }
 
@@ -331,7 +331,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
         Assert.True(serializationSuccessful);
     }
 
@@ -370,7 +370,7 @@ public class RazorProjectInfoPublisherTest : LanguageServerTestBase
 
         // Assert
         var kvp = Assert.Single(publisher.DeferredPublishTasks);
-        await kvp.Value.ConfigureAwait(false);
+        await kvp.Value;
         Assert.False(serializationSuccessful);
     }