Disable failing TemplateEngine tests (dotnet#42261)

See dotnet#42260

Author: steveisok

test/dotnet-new.Tests/DotnetNewDetailsTest.Approval.cs

@@ -58,7 +58,9 @@ public Task CanDisplayDetails_RemotePackage_OtherFeedWithVersion()
             return Verify(commandResult.StdOut);
         }
 
-        [Fact]
+#pragma warning disable xUnit1004 // Test methods should not be skipped
+        [Fact(Skip = "https://github.com/dotnet/sdk/issues/42260")]
+#pragma warning restore xUnit1004 // Test methods should not be skipped
         public Task CanDisplayDetails_RemotePackage_OtherFeedNoVersion()
         {
             CommandResult commandResult = new DotnetNewCommand(_log, "details", "Microsoft.Azure.WebJobs.ItemTemplates")
@@ -125,7 +127,9 @@ public Task CanDisplayDetails_InstalledPackage_NuGetFeed()
             return Verify(commandResult.StdOut);
         }
 
-        [Fact]
+#pragma warning disable xUnit1004 // Test methods should not be skipped
+        [Fact(Skip = "https://github.com/dotnet/sdk/issues/42260")]
+#pragma warning restore xUnit1004 // Test methods should not be skipped
         public Task CanDisplayDetails_InstalledPackage_OtherFeed()
         {
             string home = CreateTemporaryFolder(folderName: "Home");