OptionalEntity<String[]> result = OptionalUtil.ofNullable(testValue);

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

    @Test
    public void test_ofNullable_withCustomObject() {
        CustomTestObject testValue = new CustomTestObject("test", 123);
        OptionalEntity<CustomTestObject> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);