Unquarantine tests (#37877)

src/Servers/IIS/IIS/test/Common.FunctionalTests/StartupTests.cs

@@ -426,7 +426,6 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
         }
 
         [ConditionalFact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/31893")]
         public async Task RemoveInProcessReference_FailedToFindRequestHandler()
         {
             var deploymentParameters = Fixture.GetBaseDeploymentParameters(Fixture.InProcessTestSite);

src/Servers/IIS/IIS/test/IIS.FunctionalTests/ShadowCopyTests.cs

@@ -168,7 +168,6 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
         }
 
         [ConditionalFact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/37081")]
         public async Task ShadowCopyE2EWorksWithOldFoldersPresent()
         {
             using var directory = TempDirectory.Create();
@@ -208,7 +207,6 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
         }
 
         [ConditionalFact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/36887")]
         public async Task ShadowCopyCleansUpOlderFolders()
         {
             using var directory = TempDirectory.Create();