CONSOLE MESSAGE: TypeError: element.attributeStyleMap.clear is not a function. (In 'element.attributeStyleMap.clear()', 'element.attributeStyleMap.clear' is undefined)

Harness Error (FAIL), message = TypeError: element.attributeStyleMap.clear is not a function. (In 'element.attributeStyleMap.clear()', 'element.attributeStyleMap.clear' is undefined)