super.setUp(testInfo);
        validator = new CustomSizeValidator();
    }

    @Test
    public void test_constructor() {
        assertNotNull(validator);
    }

    @Test
    public void test_isValid_nullValue() {
        final CustomSize annotation = createBasicAnnotation();
        validator.initialize(annotation);

        // Test null context - should return true for null value regardless of context

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        validator = new CronExpressionValidator();
    }

    @Test
    public void test_isValid_nullValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(null, context));
    }

    @Test
    public void test_isValid_blankValue() {