export default { get props() { return { things: [{ name: 'a' }, { name: 'b' }, { name: 'c' }] }; }, test({ assert, component, target, raf }) { const divs = target.querySelectorAll('div'); component.things = [{ name: 'a' }, { name: 'c' }]; const divs2 = target.querySelectorAll('div'); assert.strictEqual(divs[0], divs2[0]); assert.strictEqual(divs[1], divs2[1]); assert.strictEqual(divs[2], divs2[2]); raf.tick(50); assert.equal(divs[0].foo, undefined); assert.equal(divs[1].foo, 0.5); assert.equal(divs[2].foo, undefined); raf.tick(100); } };