Marked svg/animations/smil-leak-element-instances.svg
https://bugs.webkit.org/show_bug.cgi?id=175886

Unreviewed test gardening.

* platform/mac-wk1/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@222056 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/LayoutTests/platform/mac-wk1/TestExpectations b/LayoutTests/platform/mac-wk1/TestExpectations
index f6c1b1834..33b71aa 100644
--- a/LayoutTests/platform/mac-wk1/TestExpectations
+++ b/LayoutTests/platform/mac-wk1/TestExpectations
@@ -409,3 +409,5 @@
 
 webkit.org/b/176920 imported/w3c/web-platform-tests/streams/piping/error-propagation-forward.dedicatedworker.html [ Pass Timeout ]
 
+webkit.org/b/175886 svg/animations/smil-leak-element-instances.svg [ Pass Failure ]
+