[overscroll-behavior-valid.html]
  [e.style['overscroll-behavior'\] = "chain" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior'\] = "chain auto" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior'\] = "chain chain" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior-x'\] = "chain" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior-y'\] = "chain" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior-inline'\] = "chain" should set the property value]
    expected: FAIL

  [e.style['overscroll-behavior-block'\] = "chain" should set the property value]
    expected: FAIL