[changing-is-attribute.html]
  type: testharness
  [Test custom element type, after assigning IS attribute value. Element is created by constructor]
    expected: FAIL

  [Test custom element type, after assigning IS attribute value. Element is created via innerHTML property]
    expected: FAIL

  [Test custom element type, after assigning IS attribute value to unresolved element. Element is created via innerHTML property]
    expected: FAIL

  [Test custom element type, after assigning IS attribute value. Element is defined in loaded HTML document]
    expected: FAIL

  [Test custom element type, after assigning IS attribute value to unresolved element. Element is defined in loaded HTML document]
    expected: FAIL

  [Test custom element type after changing IS attribute value. Element is HTML5 element with IS attribute referring to custom element type]
    expected: FAIL

  [Test custom element type after changing IS attribute value several times. Element is HTML5 element with IS attribute referring to custom element type]
    expected: FAIL

  [Test custom element type, after removing IS attribute value. Element is created via innerHTML property]
    expected: FAIL

  [Test custom element type, after removing IS attribute value. Element is HTML5 element with IS attribute referring to custom element type]
    expected: FAIL

