[path-length-valid.tentative.svg]
  [e.style['path-length'\] = "none" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "0" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "1" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "0.5" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "100" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "3.14" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "1e2" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "calc(1 + 2)" should set the property value]
    expected: FAIL

  [e.style['path-length'\] = "calc(infinity)" should set the property value]
    expected: FAIL