tyr: add instruction for running test in the readme
tyr: add instruction for running test in the readme

ballouche/navitia,kinnou02/navitia,TeXitoi/navitia,lrocheWB/navitia,xlqian/navitia,antoine-de/navitia,pbougue/navitia,xlqian/navitia,patochectp/navitia,pbougue/navitia,lrocheWB/navitia,kadhikari/navitia,kinnou02/navitia,xlqian/navitia,antoine-de/navitia,CanalTP/navitia,ballouche/navitia,lrocheWB/navitia,CanalTP/navitia,CanalTP/navitia,xlqian/navitia,patochectp/navitia,pbougue/navitia,antoine-de/navitia,CanalTP/navitia,Tisseo/navitia,kinnou02/navitia,Tisseo/navitia,kinnou02/navitia,lrocheWB/navitia,TeXitoi/navitia,ballouche/navitia,kadhikari/navitia,Tisseo/navitia,TeXitoi/navitia,TeXitoi/navitia,patochectp/navitia,patochectp/navitia,CanalTP/navitia,pbougue/navitia,Tisseo/navitia,xlqian/navitia,kadhikari/navitia,Tisseo/navitia,antoine-de/navitia,kadhikari/navitia,ballouche/navitia