How to use the @testing-library/react.act function in @testing-library/react

it('should fail on incorrect usage of result', () => {
    // $ExpectError
    act(() => {}) + 1;
    // $ExpectError
    act(() => {}).doesNotExist();
    // $ExpectError
    act(() => {}).then(1);
    // $ExpectError
    act(() => {}).then(() => {}, 1);
  });

it('should remove an alert on close click', () => {
      fireEvent.click(getByText(/show alert/i))
      const alertElement = getByText(/message/i)
      expect(getByText(/message/i)).toBeInTheDocument()

      fireEvent.click(getByText(/close/i))

      act(jest.runAllTimers)

      expect(alertElement).not.toBeInTheDocument()
    })

it('should pass on correct usage of result', () => {
    act(() => {}).then(() => {});
    act(() => {}).then(() => {}, () => {});
  });
});

function pushStickyNotification() {
  act(() =>
    getNotificationsMethods().pushStickyNotification({
      id: 'build',
      type: 'loading',
      title: 'Rebuilding...',
      info: 'Your code is updating.'
    })
  );
}

)

        expect(renderedItems).toEqual([0])

        rtl.act(forceRender)
        expect(renderedItems).toEqual([0, 1])

        rtl.act(() => {
          store.dispatch({ type: '' })
        })
        expect(renderedItems).toEqual([0, 1])

        rtl.act(forceRender)
        expect(renderedItems).toEqual([0, 1, 2])
      })

)

      const { getByText } = render()
      fireEvent.click(getByText(/show alert 0/i))
      fireEvent.click(getByText(/show alert 1/i))

      const alert0Element = getByText(/message 0/i)
      expect(getByText(/message 0/i)).toBeInTheDocument()

      const alert1Element = getByText(/message 1/i)
      expect(getByText(/message 1/i)).toBeInTheDocument()

      fireEvent.click(getByText(/remove all alerts/i))
      act(jest.runOnlyPendingTimers)

      expect(alert0Element).not.toBeInTheDocument()
      expect(alert1Element).not.toBeInTheDocument()
    })

export function advanceTimers(ms): void {
  now += ms;
  Date.now = (): number => now;
  act((): void => {
    jest.advanceTimersByTime(ms);
  });
}

function execute() {
    act(() => {
      invariant(current, 'Expected throw callback to be set');
      current();
    });
  }

function pushStickyNotifications() {
  const { pushStickyNotification } = getNotificationsMethods();
  act(() => {
    pushStickyNotification({
      id: 'one',
      type: 'info',
      title: 'Check this out',
      info: 'Lorem ipsum.'
    });
    pushStickyNotification({
      id: 'two',
      type: 'info',
      title: 'Take a look at this',
      info: 'Lorem ipsum.'
    });
  });
}

  render(depth, () => act(effect))
}