protected TestServices(JoinableTaskFactory joinableTaskFactory)
        {
            JoinableTaskFactory = joinableTaskFactory;

            Editor           = new EditorInProcess(this);
            EditorVerifier   = new EditorVerifierInProcess(this);
            ErrorList        = new ErrorListInProcess(this);
            SolutionExplorer = new SolutionExplorerInProcess(this);
            SolutionVerifier = new SolutionVerifierInProcess(this);
            Workspace        = new WorkspaceInProcess(this);
        }
 protected virtual Task InitializeAsync()
 {
     WorkspaceInProcess.EnableAsynchronousOperationTracking();
     return(Task.CompletedTask);
 }