```xml
<!-- crawler.xml -->
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
    "http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
    <component name="crawler" class="org.codelibs.fess.crawler.Crawler" instance="prototype"/>

import org.codelibs.fess.crawler.service.impl.UrlFilterServiceImpl;
import org.codelibs.fess.crawler.util.CrawlerWebServer;
import org.codelibs.fess.crawler.util.CrawlingParameterUtil;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class HcHttpClientTest extends PlainTestCase {
    public HcHttpClient httpClient;

    public UrlFilter urlFilter;

    @Override

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.entity.TestEntity;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class XmlTransformerTest extends PlainTestCase {
    public XmlTransformer xmlTransformer;

    public XmlTransformer xmlNsTransformer;

import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.transformer.impl.FileTransformer;
import org.codelibs.fess.crawler.util.CrawlerWebServer;
import org.dbflute.utflute.lastadi.LastaDiTestCase;

import jakarta.annotation.Resource;

public class CrawlerTest extends LastaDiTestCase {

    @Resource
    private Crawler crawler;

    @Resource

import org.codelibs.fess.crawler.container.StandardCrawlerContainer;
import org.codelibs.fess.crawler.exception.MimeTypeException;
import org.codelibs.fess.crawler.helper.MimeTypeHelper;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class MimeTypeHelperImplTest extends PlainTestCase {

    private StandardCrawlerContainer container;

    @Override

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.entity.TestEntity;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class XpathTransformerTest extends PlainTestCase {
    public XpathTransformer xpathTransformer;

    public XpathTransformer xpathMapTransformer;

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.MultipleCrawlingAccessException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class FaultTolerantClientTest extends PlainTestCase {

    public void test_doGet() {

import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.codelibs.fess.crawler.service.impl.DataServiceImpl;
import org.codelibs.fess.crawler.service.impl.UrlFilterServiceImpl;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for UrlFilter interface.
 * Tests the contract and behavior of UrlFilter implementations.
 */
public class UrlFilterTest extends PlainTestCase {

			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.dbflute.utflute</groupId>
			<artifactId>utflute-core</artifactId>
			<version>${utflute.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mortbay.jetty</groupId>
			<artifactId>jetty</artifactId>

import org.codelibs.fess.crawler.filter.UrlFilter;
import org.codelibs.fess.crawler.interval.IntervalController;
import org.codelibs.fess.crawler.rule.Rule;
import org.codelibs.fess.crawler.rule.RuleManager;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for CrawlerContext.
 * Tests all functionality including thread safety and concurrent operations.
 */
public class CrawlerContextTest extends PlainTestCase {