[attribute-changed-callback.html]
  type: testharness
  [setAttribute and removeAttribute must enqueue and invoke attributeChangedCallback]
    expected: FAIL

  [setAttributeNS and removeAttributeNS must enqueue and invoke attributeChangedCallback]
    expected: FAIL

  [setAttributeNode and removeAttributeNode must enqueue and invoke attributeChangedCallback for an HTML attribute]
    expected: FAIL

  [setAttributeNode and removeAttributeNS must enqueue and invoke attributeChangedCallback for an SVG attribute]
    expected: FAIL

  [Mutating attributeChangedCallback after calling customElements.define must not affect the callback being invoked]
    expected: FAIL

  [attributedChangedCallback must not be invoked when the observed attributes does not contain the attribute]
    expected: FAIL

  [Mutating observedAttributes after calling customElements.define must not affect the set of attributes for which attributedChangedCallback is invoked]
    expected: FAIL

  [attributedChangedCallback must be enqueued for attributes specified in a non-Array iterable observedAttributes]
    expected: FAIL

  [attributedChangedCallback must be enqueued for style attribute change by mutating inline style declaration]
    expected: FAIL

  [attributedChangedCallback must not be enqueued when mutating inline style declaration if the style attribute is not observed]
    expected: FAIL