webFsIndexHelper.setCrawlingExecutionInterval(-1000L);
        assertEquals(-1000L, webFsIndexHelper.crawlingExecutionInterval);

        // Test setting out of normal thread priority range
        webFsIndexHelper.setIndexUpdaterPriority(0);
        assertEquals(0, webFsIndexHelper.indexUpdaterPriority);

        webFsIndexHelper.setCrawlerPriority(20);
        assertEquals(20, webFsIndexHelper.crawlerPriority);
    }

        };
        crawler.searchEngineClient = searchEngineClient;

        webFsIndexHelper = new WebFsIndexHelper() {
            @Override
            public void crawl(String sessionId, List<String> webConfigIdList, List<String> fileConfigIdList) {
                // Mock crawl implementation
            }
        };
        crawler.webFsIndexHelper = webFsIndexHelper;

        dataIndexHelper = new DataIndexHelper() {
            @Override

	<include path="fess_thumbnail.xml" />
	<include path="fess_ingest.xml" />

	<component name="labelTypeHelper" class="org.codelibs.fess.helper.LabelTypeHelper">
	</component>
	<component name="webFsIndexHelper" class="org.codelibs.fess.helper.WebFsIndexHelper">
	</component>
	<component name="dataIndexHelper" class="org.codelibs.fess.helper.DataIndexHelper">
	</component>