let unsubscribeCalled = false ; const fakeStore = val => ( { subscribe : cb => { cb ( val ) ; return { unsubscribe : ( ) => { unsubscribeCalled = true ; } } ; } } ) ; export default { props : { foo : fakeStore ( 1 ) } , html : `
		<h1>1</h1>
	` , async test ( { assert , component , target } ) { component . foo = fakeStore ( 5 ) ; assert . htmlEqual ( target . innerHTML , '<h1>5</h1>' ) ; assert . ok ( unsubscribeCalled ) ; } } ;