1 files changed, 2 insertions, 0 deletions
diff --git a/src/System.Composition/tests/OpenGenericsTests.cs b/src/System.Composition/tests/OpenGenericsTests.cs
index f0da7808ed..c676c67d5b 100644
--- a/src/System.Composition/tests/OpenGenericsTests.cs
+++ b/src/System.Composition/tests/OpenGenericsTests.cs
@@ -124,6 +124,7 @@ namespace System.Composition.UnitTests
         // In future, the set of allowable generic type mappings will be expanded (see
         // ignored tests above).
         [Fact]
+        [ActiveIssue("https://github.com/dotnet/corefx/issues/20656", TargetFrameworkMonikers.UapAot)]
         public void TypesWithMismatchedGenericParameterListsAreDetectedDuringDiscovery()
         {
             var x = Assert.Throws<CompositionFailedException>(() => CreateContainer(typeof(RepositoryWithKey<,>)));
@@ -131,6 +132,7 @@ namespace System.Composition.UnitTests
         }
 
         [Fact]
+        [ActiveIssue("https://github.com/dotnet/corefx/issues/20656", TargetFrameworkMonikers.UapAot)]
         public void TypesWithNonGenericExportsAreDetectedDuringDiscovery()
         {
             var x = Assert.Throws<CompositionFailedException>(() => CreateContainer(typeof(RepositoryWithNonGenericExport<>)));