OptionalEntity<CustomTestObject> result = OptionalUtil.ofNullable(testValue);

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

    public void test_ofNullable_optionalEntityBehavior() {
        // Test with present value
        String presentValue = "present";
        OptionalEntity<String> presentOptional = OptionalUtil.ofNullable(presentValue);