let fulfil; let thePromise = new Promise(f => { fulfil = f; }); export default { props: { thePromise }, html: `

loading...

loading...

`, test({ assert, component, target }) { fulfil(42); return thePromise .then(() => { assert.htmlEqual(target.innerHTML, `

the value is 42

the value is 42

`); let reject; thePromise = new Promise((f, r) => { reject = r; }); component.thePromise = thePromise; assert.htmlEqual(target.innerHTML, `

loading...

loading...

`); reject(new Error('something broke')); return thePromise.catch(() => {}); }) .then(() => { assert.htmlEqual(target.innerHTML, `

oh no! something broke

oh no! something broke

`); }); } };