Mock useState for async act

gistfile1.txt

jest.mock('react', () => {
  const react = jest.requireActual('react');
  const reactTestingLibrary = jest.requireActual('react-testing-library');

  return {
    ...react,
    useState: initial => {
      const [state, setState] = react.useState(initial);
      return [
        state,
        newState => reactTestingLibrary.act(() => setState(newState))
      ];
    }
  };
});