[pointerevent_pointer_boundary_events_after_removing_last_over_element.html]
  prefs: [layout.reflow.synthMouseMove:true]
  [After removing the last over element, redundant pointerenter events should not be fired on the ancestors]
    expected:
      if not early_beta_or_earlier: FAIL

  [After removing the root element in the shadow under the cursor, pointerleave events should be targeted outside the shadow, but redundant pointerenter events should not be fired]
    expected:
      if not early_beta_or_earlier: FAIL