[inset-start-valid.html]
  [e.style['inset-start'\] = "-20%" should set the property value]
    expected: FAIL

  [e.style['inset-start'\] = "-10px" should set the property value]
    expected: FAIL

  [e.style['inset-start'\] = "calc(2em + 3ex)" should set the property value]
    expected: FAIL

  [e.style['inset-start'\] = "auto" should set the property value]
    expected: FAIL

