[HTMLSlotElement-interface.html] [assignedNodes() must update when slot elements are inserted or removed] expected: FAIL [assignedNodes({"flattened":false}) must update when slot elements are inserted or removed] expected: FAIL [assignedNodes({"flattened":true}) must update when slot elements are inserted or removed] expected: FAIL [assignedNodes({flatten: true}) must return the distributed nodes, and assignedNodes() and assignedNodes({flatten: false}) must returned the assigned nodes] expected: FAIL