diff --git a/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/ProjectSystem/DefaultProjectSnapshotWorkerTest.cs b/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/ProjectSystem/DefaultProjectSnapshotWorkerTest.cs
deleted file mode 100644
index 8434f4fbb7..0000000000
--- a/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/ProjectSystem/DefaultProjectSnapshotWorkerTest.cs
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Razor.Language;
-using Moq;
-using Xunit;
-
-namespace Microsoft.CodeAnalysis.Razor.ProjectSystem
-{
-    public class DefaultProjectSnapshotWorkerTest : ForegroundDispatcherTestBase
-    {
-        public DefaultProjectSnapshotWorkerTest()
-        {
-            Project = new AdhocWorkspace().AddProject("Test1", LanguageNames.CSharp);
-
-            ConfigurationCompletionSource = new TaskCompletionSource<ProjectExtensibilityConfiguration>();
-            TagHelpersCompletionSource = new TaskCompletionSource<TagHelperResolutionResult>();
-            ConfigurationFactory = Mock.Of<ProjectExtensibilityConfigurationFactory>(f => f.GetConfigurationAsync(It.IsAny<Project>(), default(CancellationToken)) == ConfigurationCompletionSource.Task);
-            TagHelperResolver = Mock.Of<TagHelperResolver>(f => f.GetTagHelpersAsync(It.IsAny<Project>(), default(CancellationToken)) == TagHelpersCompletionSource.Task);
-        }
-
-        private Project Project { get; }
-
-        private ProjectExtensibilityConfigurationFactory ConfigurationFactory { get; }
-
-        private TagHelperResolver TagHelperResolver { get; }
-
-        private TaskCompletionSource<ProjectExtensibilityConfiguration> ConfigurationCompletionSource { get; }
-
-        private TaskCompletionSource<TagHelperResolutionResult> TagHelpersCompletionSource { get; }
-
-        [ForegroundFact]
-        public async Task ProcessUpdateAsync_DoesntBlockForegroundThread()
-        {
-            // Arrange
-            var worker = new DefaultProjectSnapshotWorker(Dispatcher, ConfigurationFactory, TagHelperResolver);
-
-            var context = new ProjectSnapshotUpdateContext(Project);
-
-            var configuration = Mock.Of<ProjectExtensibilityConfiguration>();
-            var tagHelpers = Array.Empty<TagHelperDescriptor>();
-            var tagHelperResolutionResult = new TagHelperResolutionResult(tagHelpers, Array.Empty<RazorDiagnostic>());
-
-            // Act 1 -- We want to verify that this doesn't block the main thread
-            var task = worker.ProcessUpdateAsync(context);
-
-            // Assert 1
-            //
-            // We haven't let the background task proceed yet, so these are still null.
-            Assert.Null(context.Configuration);
-            Assert.Null(context.TagHelpers);
-
-            // Act 2 - Ok let's go
-            ConfigurationCompletionSource.SetResult(configuration);
-            TagHelpersCompletionSource.SetResult(tagHelperResolutionResult);
-            await task;
-
-            // Assert 2
-            Assert.Same(configuration, context.Configuration);
-            Assert.Same(tagHelpers, context.TagHelpers);
-        }
-    }
-}