final String testToken = System.getProperty(TEST_TOKEN);
        if (testToken != null) {
            return;
        }
        given().contentType("application/json").delete(getEsUrl() + "/fess_config.access_token/_doc/" + DEFAULT_TEST_TOKEN_ID);
    }

    public static void refresh() {
        given().contentType("application/json").post(getEsUrl() + "/_refresh");
    }

    public static String getFessUrl() {

          "es&3opyt,dlawttim,?uo-rof,?s&iht-skorg,nd&-cimanyd,nyd,uolc,??tsrifyam,ysrab,zmurof,???g&el?n!am?ib???hwsohw?i!.&0pci,1pci,8302,a&minifed,tad-b,?b&altig,uhtig,?czh,d&etpyrcs.tneilc,raobelgaeb,uolcropav,?e&civedniser,don&ppad.sndnyd,repyh,?egipa,l&bbub.ndc,ej,?nilnigol,sufxob,t&i&beulb,snoehtnap,?newtu,ybeeb.saap,?varb,?g&n&alkrad,i&gatsniser.secived,tsoh&-br.etis,ytsoh,???ro??k&coregrof.di,orgn:.&as,ni,p&a,j,?su,u&a,e,??,ramytefasresworb,?lim?mo&c?n??n&aicisum,mts...