facetQueryView.addQuery("label1", "filetype:html");
        facetQueryView.addQuery("label2", "field2:value2");

        facetQueryView.init();

        Map<String, String> queryMap = facetQueryView.getQueryMap();

        // Should have original queries
        assertEquals("filetype:html", queryMap.get("label1"));
        assertEquals("field2:value2", queryMap.get("label2"));

        // 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) {

				<li class="list-inline-item"><la:message key="labels.searchoptions_menu_labels" /> <a
					href="#searchOptions" class="badge text-bg-primary text-decoration-none"
					data-bs-toggle="collapse"> <c:if
							test="${empty fields.label}">
							<la:message key="labels.searchoptions_all" />
						</c:if> <c:if test="${!empty fields.label}">
							<c:forEach var="sLabel" items="${fields.label}">

										</div>
										<div class="filter-dropdown-list">
											<c:forEach var="item" items="${labelTypeItems}">
											<label class="filter-check-item">
												<input type="checkbox" class="filter-check" data-filter-type="label" data-filter-value="${f:h(item.value)}" />
												<span class="filter-check-label">${f:h(item.label)}</span>
											</label>
											</c:forEach>

                                </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"/>

                                    <div class="form-group row">
                                        <label for="name" class="col-sm-2 text-sm-right col-form-label"><la:message
                                                key="labels.name"/></label>
                                        <div class="col-sm-10">

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

                                    <div class="form-group row">
                                        <label for="urlExpr" class="col-sm-2 text-sm-right col-form-label"><la:message
                                                key="labels.boost_document_rule_url_expr"/></label>
                                        <div class="col-sm-10">