Remove unused test type

Author: CyrusNajmabadi

src/EditorFeatures/Test/CodeFixes/CodeFixServiceTests.cs

@@ -1086,7 +1086,7 @@ void M()
             : root.DescendantNodes().OfType<CodeAnalysis.CSharp.Syntax.InvocationExpressionSyntax>().First().Span;
 
         await diagnosticIncrementalAnalyzer.GetDiagnosticsForIdsAsync(
-            sourceDocument.Project.Solution, sourceDocument.Project.Id, sourceDocument.Id, diagnosticIds: null, shouldIncludeAnalyzer: null, getDocuments: null,
+            sourceDocument.Project.Solution, sourceDocument.Project.Id, sourceDocument.Id, diagnosticIds: null, shouldIncludeAnalyzer: null,
             includeLocalDocumentDiagnostics: true, includeNonLocalDocumentDiagnostics: true, CancellationToken.None);
         // await diagnosticIncrementalAnalyzer.GetTestAccessor().TextDocumentOpenAsync(sourceDocument);
 

src/EditorFeatures/Test/Diagnostics/DiagnosticAnalyzerServiceTests.cs

@@ -68,7 +68,7 @@ public async Task TestHasSuccessfullyLoadedBeingFalse()
         var globalOptions = exportProvider.GetExportedValue<IGlobalOptionService>();
 
         var diagnostics = await analyzer.GetDiagnosticsForIdsAsync(
-            workspace.CurrentSolution, projectId: workspace.CurrentSolution.ProjectIds.Single(), documentId: null, diagnosticIds: null, shouldIncludeAnalyzer: null, getDocuments: null,
+            workspace.CurrentSolution, projectId: workspace.CurrentSolution.ProjectIds.Single(), documentId: null, diagnosticIds: null, shouldIncludeAnalyzer: null,
             includeLocalDocumentDiagnostics: true, includeNonLocalDocumentDiagnostics: false, CancellationToken.None);
         Assert.NotEmpty(diagnostics);
     }