public static void notBlack(final String str, final String message) {
        isTrue(StringUtils.isNoneBlank(str), message);
    }
@Test
    public void notBlack() {
        Assertions.assertDoesNotThrow(() -> Assert.notBlack("notBlack", "error message"));
        Assertions.assertThrows(ValidFailException.class, () -> Assert.notBlack("", "error message"));
    }