Improve condition on firefox SVG Blob hack
r8a55c89b3f46 added a hack to overcome https://bugzilla.mozilla.org/show_bug.cgi?id=841920
It should now be fixed on version 50 of Firefox, so the test could be improved.
r8a55c89b3f46 added a hack to overcome https://bugzilla.mozilla.org/show_bug.cgi?id=841920
It should now be fixed on version 50 of Firefox, so the test could be improved.