
PASS dropzone on HTMLElement must enqueue an attributeChanged reaction when adding webkitdropzone content attribute
PASS dropzone on HTMLElement must enqueue an attributeChanged reaction when replacing an existing attribute
PASS data on CharacterData must enqueue an attributeChanged reaction when replacing an existing attribute
PASS data on CharacterData must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute
PASS remove(HTMLOptionElement) on HTMLOptionsCollection must enqueue disconnectedCallback when removing a custom element
PASS remove(HTMLOptionElement) on HTMLSelectElement must enqueue disconnectedCallback when removing a custom element