[element-internals-aria-element-reflection.html]
prefs: [accessibility.ARIAElementReflection.enabled:true]
[Setting ariaLabelledByElements on ElementInternals should change the accessible name of the custom element]
expected: FAIL
[Setting aria-labelledby or ariaLabelledByElements on the custom element should supersede the value of ariaLabelledByElements on ElementInternals]
expected: FAIL