assertTrue(messages.hasMessageOf(property));
    }

    // Test special message types
    @Test
    public void test_addConstraintsCreditCardNumberMessage() {
        String property = "testProperty";
        FessMessages result = messages.addConstraintsCreditCardNumberMessage(property);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));

     *
     * @param messages the messages to set
     */
    public void setMessages(final List<ChatMessage> messages) {
        synchronized (messagesLock) {
            if (messages == null) {
                this.messages = null;
            } else if (messages instanceof CopyOnWriteArrayList) {
                this.messages = messages;
            } else {
                this.messages = new CopyOnWriteArrayList<>(messages);

        try {
            userService.changePassword(username, form.password);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change password for user: username={}, error={}", username, e.getMessage(), e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }

        final List<ChatMessage> messages = session.getMessages();
        assertEquals(4, messages.size());
        assertEquals(ChatMessage.ROLE_USER, messages.get(0).getRole());
        assertEquals("User 2", messages.get(0).getContent());
        assertEquals(ChatMessage.ROLE_ASSISTANT, messages.get(1).getRole());
        assertEquals("Assistant 2", messages.get(1).getContent());

                throwValidationError(messages -> {
                    addPasswordValidationError(messages, validationError);
                }, validationErrorLambda);
            }
        }
    }

    /**
     * Adds a password validation error message to the messages object based on the error key.
     *
     * @param messages the FessMessages object to add the error to

 *    either peer may not have been transmitted to the other.
 *
 * Note that the state progression is independent for each peer. Arriving at a gracefully-closed
 * state indicates that a peer has sent all of its outgoing messages and received all of its
 * incoming messages. But it does not guarantee that the other peer will successfully receive all of
 * its incoming messages.
 *
 * ## Message Queue

            if (logger.isDebugEnabled()) {
                logger.debug("Invalid offset: {}", form.offset, e);
            }
            throwValidationError(messages -> messages.addErrorsResultSizeExceeded(GLOBAL), this::asListHtml);
        }

        throwValidationError(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL), this::asListHtml);
        return null; // ignore
    }

    /**

        try {
            userService.changePassword(username, form.newPassword);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change password for {}", username, e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }
        return redirect(getClass());
    }

                }
            } catch (final Exception e) {
                throwValidationErrorApi(messages -> {
                    messages.addErrorsFailedToStartJob(GLOBAL, entity.getName());
                });
            }
        }).orElse(() -> {
            throwValidationErrorApi(messages -> {
                messages.addErrorsFailedToStartJob(GLOBAL, id);
            });
        });

                messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> parseErrorCode =
                messages -> messages.addErrorsInvalidQueryParseError(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final InvalidQueryException unknownException = new InvalidQueryException(unknownErrorCode, message);