https://bugzilla.mozilla.org/show_bug.cgi?id=1284523
1284523 - Intermittent canvas/text-ltr-alignment-test.html == canvas/text-ltr-alignment-ref.html |...
RESOLVED (nical.bugzilla) in Core - Graphics: Canvas2D. Last updated 2016-07-21.
test htmlintermittentcanvastextltr