assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    public void test_constructor_withNullMessageCode() {
        // Setup
        final String message = "Test error with null message code";
        final Exception cause = new RuntimeException("Test cause");

        // Execute

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    public void test_constructor_withNullMessageCode() {
        // Setup
        final String message = "Invalid query with null message code";
        final Exception cause = new RuntimeException("Underlying error");

        // Execute