// Verify labels are merged
        String[] labels = (String[]) dataMap.get("label");
        assertEquals(3, labels.length);
        Set<String> labelSet = new HashSet<>();
        for (String label : labels) {
            labelSet.add(label);
        }
        assertTrue(labelSet.contains("existing"));
        assertTrue(labelSet.contains("label1"));
        assertTrue(labelSet.contains("label2"));

                    labels.add("label1");
                    labels.add("label2");
                }
                return labels;
            }
        };
        ComponentUtil.register(mockLabelTypeHelper, "labelTypeHelper");

        // Mock LanguageHelper
        LanguageHelper mockLanguageHelper = new LanguageHelper() {
            @Override
            public Script createScript(Map<String, Object> doc, String scriptString) {

				labels: {
					thinking: '<la:message key="labels.chat_thinking" />',
					waiting: '<la:message key="labels.chat_waiting" />',
					error: '<la:message key="labels.chat_error" />',
					sources: '<la:message key="labels.chat_sources" />',
					statusReady: '<la:message key="labels.chat_status_ready" />',
					statusThinking: '<la:message key="labels.chat_status_thinking" />',

                                </div>
                                <div class="form-group row">
                                    <label for="name" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.user_name"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="name"/>

                                        <la:message key="labels.millisec"/>
                                    </div>
                                </div>
                                <div class="form-group row">
                                    <label for="boost" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.boost"/></label>

                                        </div>
                                    </div>
                                </div>
                                <div class="form-group row">
                                    <span class="font-weight-bold col-sm-3 text-sm-right col-form-label"><la:message

                                </div>
                                <div class="form-group row">
                                    <label for="suggestWord" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.elevate_word_suggest_word"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="suggestWord"/>

                                </div>
                                <div class="form-group row">
                                    <label for="token" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_kuromoji_token"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="token"/>

				labels: {
					thinking: '<la:message key="labels.chat_thinking" />',
					waiting: '<la:message key="labels.chat_waiting" />',
					error: '<la:message key="labels.chat_error" />',
					sources: '<la:message key="labels.chat_sources" />',
					statusReady: '<la:message key="labels.chat_status_ready" />',
					statusThinking: '<la:message key="labels.chat_status_thinking" />',

                                </div>
                                <div class="form-group row">
                                    <label for="name" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.name"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="name"/>