prefs: [layout.css.appearance-base.enabled:true, dom.select.customizable_select.enabled:true]
[select-label-appearance.html]
  fuzzy: maxDifference=0-143;totalPixels=0-9
  expected:
    if (os == "android") and debug: [FAIL, OK, PASS]
    if (os == "android") and not debug: [FAIL, PASS, OK]