[webkit-transform-valid.tentative.html]
  [e.style['-webkit-transform'\] = "perspective(1000)" should set the property value]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [e.style['-webkit-transform'\] = "perspective(25)" should set the property value]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]