[offset-position-parsing-valid.html]
  [e.style['offset-position'\] = "auto" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "left bottom" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "center center" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "right center" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "center top" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "center bottom" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "calc(10px + 20%) center" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "right 30em" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "10px 20%" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "left -10px top -20%" should set the property value]
    expected: FAIL

  [e.style['offset-position'\] = "right 10% bottom 20em" should set the property value]
    expected: FAIL