diff --git a/src/Workspaces/MSBuildTest/NetCoreTests.cs b/src/Workspaces/MSBuildTest/NetCoreTests.cs
index af31ed19ec3f1010913a4b3374511dbe434612c7..d944959ac59444e511050b73a566b69a6046d751 100644
--- a/src/Workspaces/MSBuildTest/NetCoreTests.cs
+++ b/src/Workspaces/MSBuildTest/NetCoreTests.cs
@@ -127,7 +127,7 @@ void AssertSingleProjectReference(Project project, string projectRefFilePath)
             }
         }
 
-        [ConditionalFact(typeof(VisualStudioMSBuildInstalled))]
+        [ConditionalFact(typeof(VisualStudioMSBuildInstalled), Skip = "https://github.com/dotnet/roslyn/issues/28104")]
         [Trait(Traits.Feature, Traits.Features.MSBuildWorkspace)]
         [Trait(Traits.Feature, Traits.Features.NetCore)]
         public async Task TestOpenProject_NetCoreMultiTFM()
@@ -171,7 +171,7 @@ public async Task TestOpenProject_NetCoreMultiTFM()
             }
         }
 
-        [ConditionalFact(typeof(VisualStudioMSBuildInstalled))]
+        [ConditionalFact(typeof(VisualStudioMSBuildInstalled), Skip = "https://github.com/dotnet/roslyn/issues/28104")]
         [Trait(Traits.Feature, Traits.Features.MSBuildWorkspace)]
         [Trait(Traits.Feature, Traits.Features.NetCore)]
         public async Task TestOpenProject_NetCoreMultiTFM_ProjectReference()
@@ -186,7 +186,7 @@ public async Task TestOpenProject_NetCoreMultiTFM_ProjectReference()
             await AssertNetCoreMultiTFMProject(projectFilePath);
         }
 
-        [ConditionalFact(typeof(VisualStudioMSBuildInstalled))]
+        [ConditionalFact(typeof(VisualStudioMSBuildInstalled), Skip ="https://github.com/dotnet/roslyn/issues/28104")]
         [Trait(Traits.Feature, Traits.Features.MSBuildWorkspace)]
         [Trait(Traits.Feature, Traits.Features.NetCore)]
         public async Task TestOpenProject_NetCoreMultiTFM_ProjectReferenceWithReversedTFMs()