export default {
data: {
x: true,
value: 'one'
},
html: `
x
`,
nestedTransitions: true,
test(assert, component, target, window, raf) {
const div = target.querySelector('div');
const { appendChild, insertBefore } = div;
div.appendChild = div.insertBefore = () => {
throw new Error('DOM was mutated');
};
component.set({ value: 'two' });
},
};