assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
        assertEquals(3, result.get().size());
    }

    @Test
    public void test_ofNullable_withEmptyList() {
        List<String> testValue = new ArrayList<>();
        OptionalEntity<List<String>> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());