Enable debug asserts in on type formatting tests

Author: davidwengier

src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Formatting_NetFx/FormattingTestBase.cs

@@ -166,7 +166,7 @@ private protected async Task RunOnTypeFormattingTestAsync(
             filePathService, new TestDocumentContextFactory(), LoggerFactory);
         var languageKind = codeDocument.GetLanguageKind(positionAfterTrigger, rightAssociative: false);
 
-        var formattingService = await TestRazorFormattingService.CreateWithFullSupportAsync(LoggerFactory, TestOutputHelper, codeDocument, razorLSPOptions, languageServerFeatureOptions);
+        var formattingService = await TestRazorFormattingService.CreateWithFullSupportAsync(LoggerFactory, TestOutputHelper, codeDocument, razorLSPOptions, languageServerFeatureOptions, debugAssertsEnabled: true);
         var options = new FormattingOptions()
         {
             TabSize = tabSize,

src/Razor/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Cohost/Formatting/FormattingTestBase.cs

@@ -123,7 +123,9 @@ private protected async Task RunOnTypeFormattingTestAsync(
         var position = inputText.GetPosition(input.Position);
 
         var formattingService = (RazorFormattingService)OOPExportProvider.GetExportedValue<IRazorFormattingService>();
-        formattingService.GetTestAccessor().SetFormattingLoggerFactory(new TestFormattingLoggerFactory(TestOutputHelper));
+        var accessor = formattingService.GetTestAccessor();
+        accessor.SetDebugAssertsEnabled(debugAssertsEnabled: true);
+        accessor.SetFormattingLoggerFactory(new TestFormattingLoggerFactory(TestOutputHelper));
 
         var generatedHtml = await RemoteServiceInvoker.TryInvokeAsync<IRemoteHtmlDocumentService, string?>(document.Project.Solution,
             (service, solutionInfo, ct) => service.GetHtmlDocumentTextAsync(solutionInfo, document.Id, ct),