export default { async test ( { assert , component , target } ) { assert . htmlEqual ( component . div . innerHTML , '<div>+</div><div>-</div>' ) ; const event = new window . Event ( 'change' ) ; const input = target . querySelector ( 'input' ) ; input . checked = false ; await input . dispatchEvent ( event ) ; assert . htmlEqual ( component . div . innerHTML , '<div>-</div><div>-</div>' ) ; } } ;