export default { data: { duration: 200 }, test(assert, component, target, window, raf) { component.set({ visible: true }); const div = target.querySelector('div'); assert.equal(div.foo, 0); raf.tick(50); assert.equal(div.foo, 100); raf.tick(100); assert.equal(div.foo, 200); raf.tick(101); component.destroy(); }, };