[custom-element-reaction-queue.html]
  type: testharness
  [Upgrading a custom element must invoke attributeChangedCallback and connectedCallback before start upgrading another element]
    expected: FAIL

  [Mutating a undefined custom element while upgrading a custom element must not enqueue or invoke reactions on the mutated element]
    expected: FAIL

  [Mutating another custom element inside adopted callback must invoke all pending callbacks on the mutated element]
    expected: FAIL