Mark supported_feMerge test as flaky.

Review URL: https://codereview.chromium.org//27105002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@28571 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/tests/html/html.status b/tests/html/html.status
index 951fce8..1d543df 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -65,6 +65,7 @@
 [ $compiler == dart2js && $runtime == ie10 ]
 async_test: Pass, Fail # timers test fails on ie10.
 indexeddb_5_test: Fail # Issue 12893
+svgelement_test/supported_feMerge: Pass, Fail # issue 14049
 
 [ $compiler == dart2js && ( $runtime == ie9 || $runtime == ie10 ) ]
 worker_api_test: Fail # IE does not support URL.createObjectURL in web workers.