// but we can verify the class structure
        assertNotNull(crawlerLogHelper);
        assertTrue(CrawlerLogHelper.class.getSuperclass().getSimpleName().contains("LogHelper"));
    }

<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />

	<component name="logHelper"
		class="org.codelibs.fess.helper.CrawlerLogHelper">
	</component>