Skip test on Unix

Author: tmat

src/BuiltInTools/dotnet-watch/Internal/FileWatcher/EventBasedDirectoryWatcher.cs

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.ComponentModel;
-using Microsoft.Extensions.Logging;
 
 namespace Microsoft.DotNet.Watch
 {

test/dotnet-watch.Tests/FileWatcherTests.cs

@@ -94,16 +94,12 @@ await TestOperation(
         }
 
         [Theory]
+        [SkipOnPlatform(TestPlatforms.AnyUnix, "https://github.com/dotnet/runtime/issues/116351")]
         [CombinatorialData]
         public async Task NewFileInNewDirectory(bool usePolling, bool nested)
         {
             var dir = _testAssetManager.CreateTestDirectory(identifier: usePolling.ToString()).Path;
 
-            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
-            {
-                Directory.CreateDirectory(Path.Combine(dir, ".dummy"));
-            }
-
             var dir1 = Path.Combine(dir, "dir1");
             var dir2 = nested ? Path.Combine(dir1, "dir2") : dir1;
             var fileInSubdir = Path.Combine(dir2, "file_in_subdir");