Use a real impl not a mock

Author: davidwengier

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

@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Collections.Immutable;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.Razor.ProjectSystem;
+
+namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem;
+
+internal class TestRazorProjectInfoDriver : IRazorProjectInfoDriver
+{
+    public static readonly TestRazorProjectInfoDriver Instance = new();
+
+    public void AddListener(IRazorProjectInfoListener listener)
+    {
+    }
+
+    public ImmutableArray<RazorProjectInfo> GetLatestProjectInfo()
+    {
+        return [];
+    }
+
+    public Task WaitForInitializationAsync()
+    {
+        return Task.CompletedTask;
+    }
+}

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

@@ -5,12 +5,10 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Razor.Language;
 using Microsoft.AspNetCore.Razor.LanguageServer.Common;
-using Microsoft.AspNetCore.Razor.Test.Common;
 using Microsoft.CodeAnalysis.Razor.Logging;
 using Microsoft.CodeAnalysis.Razor.ProjectSystem;
 using Microsoft.CodeAnalysis.Razor.Serialization;
 using Microsoft.CodeAnalysis.Razor.Utilities;
-using Moq;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem;
 
@@ -20,24 +18,12 @@ internal class TestRazorProjectService(
     ILoggerFactory loggerFactory)
     : RazorProjectService(
         projectManager,
-        CreateProjectInfoDriver(),
+        TestRazorProjectInfoDriver.Instance,
         remoteTextLoaderFactory,
         loggerFactory)
 {
     private readonly ProjectSnapshotManager _projectManager = projectManager;
 
-    private static IRazorProjectInfoDriver CreateProjectInfoDriver()
-    {
-        var mock = new StrictMock<IRazorProjectInfoDriver>();
-
-        mock.Setup(x => x.GetLatestProjectInfo())
-            .Returns([]);
-
-        mock.Setup(x => x.AddListener(It.IsAny<IRazorProjectInfoListener>()));
-
-        return mock.Object;
-    }
-
     public async Task AddDocumentToPotentialProjectsAsync(string filePath, CancellationToken cancellationToken)
     {
         foreach (var projectSnapshot in _projectManager.FindPotentialProjects(filePath))