[object-fit-fill-png-001c.html]
  bug: https://bugzilla.mozilla.org/show_bug.cgi?id=856337
  fuzzy:
    if not webrender and (os != "android"): maxDifference=15;totalPixels=1896
    if not webrender and (os == "android"): maxDifference=149;totalPixels=3632
