[aria-element-reflection.tentative.html]
  [aria-activedescendant element reflection]
    expected: FAIL

  [aria-errormessage]
    expected: FAIL

  [Setting an element reference that crosses into a shadow tree is disallowed, but setting one that is in a shadow inclusive ancestor is allowed.]
    expected: FAIL

  [aria-details]
    expected: FAIL

  [Deleting a reflected element should return null for the IDL attribute and cause the content attribute to become stale.]
    expected: FAIL

  [If the content attribute is set directly, the IDL attribute getter always returns the first element whose ID matches the content attribute.]
    expected: FAIL

  [Changing the ID of an element causes the content attribute to become out of sync.]
    expected: FAIL

  [Setting the IDL attribute to an element which is not the first element in DOM order with its ID causes the content attribute to be an empty string]
    expected: FAIL

  [Reparenting an element into a descendant shadow scope nullifies the element reference.]
    expected: FAIL

  [shadow DOM behaviour for FrozenArray element reflection.]
    expected: FAIL

  [aria-flowto.]
    expected: FAIL

  [aria-labelledby.]
    expected: FAIL

  [aria-owns.]
    expected: FAIL

  [aria-controls.]
    expected: FAIL

  [aria-describedby.]
    expected: FAIL

  [Moving explicitly set elements around within the same scope, and removing from the DOM.]
    expected: FAIL

  [Moving explicitly set elements across shadow DOM boundaries.]
    expected: FAIL

