export default { immutable: true, html: `<div><h3>Called 0 times.</h3></div>`, test(assert, component, target, window) { var nested = component.refs.nested; nested.observe('foo', foo => { nested.set({ count: nested.get('count') + 1 }); }); assert.htmlEqual(target.innerHTML, `<div><h3>Called 1 times.</h3></div>`); nested.set({ foo: nested.get('foo') }); assert.htmlEqual(target.innerHTML, `<div><h3>Called 2 times.</h3></div>`); } };