Disable System.IO.Tests.FileStream_SafeFileHandle.ThrowWhenHandlePositionIsChanged_as...

diff --git a/src/libraries/System.IO.FileSystem/tests/FileStream/SafeFileHandle.cs b/src/libraries/System.IO.FileSystem/tests/FileStream/SafeFileHandle.cs
index 209ddf0..04773b5 100644 (file)
--- a/src/libraries/System.IO.FileSystem/tests/FileStream/SafeFileHandle.cs
+++ b/src/libraries/System.IO.FileSystem/tests/FileStream/SafeFileHandle.cs
@@ -64,7 +64,7 @@ namespace System.IO.Tests
             await ThrowWhenHandlePositionIsChanged(useAsync: false);
         }
 
-        [Fact]
+        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsThreadingSupported))]
         public async Task ThrowWhenHandlePositionIsChanged_async()
         {
             await ThrowWhenHandlePositionIsChanged(useAsync: true);