Function changeStuff

packages/mobx-react/__tests__/issue21.test.tsx:182–192

()

    const Wrapper = () => <Parent />

    function changeStuff() {
        act(() => {
            transaction(() => {
                data.items[0].label = "hello" // schedules state change for Child
                data.items[0] = createItem(2, "test") // Child should still receive new prop!
            })

            // @ts-ignore
            this.setState({}) // trigger update
        })
    }

    const { container } = render(<Wrapper />)
    expect(events.sort()).toEqual(