assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
        assertEquals(0, result.get().size());
    }

    public void test_ofNullable_withNullList() {
        List<String> testValue = null;
        OptionalEntity<List<String>> result = OptionalUtil.ofNullable(testValue);

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