[start_alignment.html]
  disabled:
    if (os == "win"): https://bugzilla.mozilla.org/show_bug.cgi?id=1546133
    if (os == "android"): https://bugzilla.mozilla.org/show_bug.cgi?id=1546128
  fuzzy: start_alignment-ref.html:maxDifference=0-2;totalPixels=0-300