@Test
    public void validationPositiveAfterNegativeTest() {
        view.getNumberOfPointsTextField().setText("aaa");
        view.getNumberOfPointsTextField().getInputVerifier().verify(view.getNumberOfPointsTextField());
        assertFalse(view.getDrawButton().isEnabled());
        view.getNumberOfPointsTextField().setText("1");
        view.getNumberOfPointsTextField().getInputVerifier().verify(view.getNumberOfPointsTextField());
        assertTrue(view.getDrawButton().isEnabled());
    }