Update test expectations to include the flaky layout test...

Update test expectations to include the flaky layout test script-load-and-error-events.svg which has been failing for past 2 days.

BUG=http://crbug.com/21411

Review URL: http://codereview.chromium.org/201072

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25793 0039d316-1c4b-4281-b951-d872f2087c98

webkit/tools/layout_tests/test_expectations.txt

@@ -2367,3 +2367,5 @@ BUG_JAPHET MAC : LayoutTests/animations/change-keyframes-name.html = FAIL PASS
 // Flaky as of WebKit r48155
 BUG_JAPHET WIN : LayoutTests/transitions/transition-end-event-transform.html = FAIL PASS
 
+// Flaky, not clear as of when.
+BUG21411 : LayoutTests/svg/dom/SVGScriptElement/script-load-and-error-events.svg = FAIL PASS