    @Test
    public void isPasswordValid() throws Exception {

        assertTrue(CommonUtils.isPasswordValid("12345678abc"));
        assertFalse(CommonUtils.isPasswordValid("12345678"));
        assertFalse(CommonUtils.isPasswordValid("123456789"));
        assertFalse(CommonUtils.isPasswordValid("aa"));
        assertFalse(CommonUtils.isPasswordValid("aaaaaaaa"));
        assertTrue(CommonUtils.isPasswordValid("aaaaaaaa1"));
        assertTrue(CommonUtils.isPasswordValid("123456789a"));
    }