act example snipper

act-example.js

test('should do.....', () => {
    /*Rest of the test*/

    act(() => {
        // Event will cause state update and rerender in controlled input component
        fireEvent.input(inputElement, {target: {value: '123'}})
        // 'act' will make sure updates are applied to the DOM
    })

    // So our assertion work with with updated UI
    expect(inputElement).toHaveValue("123") // true	
})