@Override
    public void verify(String value) {
        if (!this.universe.contains(value)) {
            throw new RuntimeException("value is not in set: " + this.universe);
        }
    }
@Test
    public void verify_InvalidValue_ExceptionThrown() {
        RuntimeException exception = assertThrows(RuntimeException.class, () -> {
            enumAttribute.verify("invalidValue");
        });

        assertTrue(exception.getMessage().startsWith("value is not in set:"));
    }