assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    public void test_ofNullable_withNullDate() {
        Date testValue = null;
        OptionalEntity<Date> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertFalse(result.isPresent());
    }