### Question:
RdapQueryClient extends RdapClient { public Help help() throws RdapClientException { return query(Help.class, "help"); } RdapQueryClient(RdapClientConfig config); IpDto queryIp(String address); IpDto queryIp(String cidrPrefix, int cidrLength); DomainDto queryDomain(String name); NameserverDto queryNameserver(String name); AutnumDto queryAutnum(long autnum); EntityDto queryEntity(String handle); DomainDto searchDomainByName(String name); DomainDto searchDomainByNsLdhName(String nsLdhName); DomainDto searchDomainByNsIp(String nsIp); NameserverDto searchNameserverByName(String name); NameserverDto searchNameserverByIp(String ip); EntityDto searchEntityByFn(String name); EntityDto searchEntityByHandle(String handle); Help help();  }### Answer:
@Test public void test_help(){ Help help; try { setContent200("help"); help = client.help(); } catch (RdapClientException e) { help = null; } assertEquals("/help", mockHttpServer.getRequestUrl()); assertEquals("help-1", help.getHandle()); }