Quarantine ShadowCopyIgnoresItsOwnDirectoryWithRelativePathSegmentWhenCopying (#40060)

src/Servers/IIS/IIS/test/IIS.ShadowCopy.Tests/ShadowCopyTests.cs

@@ -252,6 +252,7 @@ public class ShadowCopyTests : IISFunctionalTestBase
     }
 
     [ConditionalFact]
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/40059")]
     public async Task ShadowCopyIgnoresItsOwnDirectoryWithRelativePathSegmentWhenCopying()
     {
         using var directory = TempDirectory.Create();