rados: use testrados instead of testsnaps and testreadwrite
rados: use testrados instead of testsnaps and testreadwrite

tchaikov/teuthology,robbat2/teuthology,dmick/teuthology,robbat2/teuthology,SUSE/teuthology,ceph/teuthology,caibo2014/teuthology,zhouyuan/teuthology,michaelsevilla/teuthology,SUSE/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,tchaikov/teuthology,t-miyamae/teuthology,ivotron/teuthology,zhouyuan/teuthology,ivotron/teuthology,ktdreyer/teuthology,dmick/teuthology,t-miyamae/teuthology,michaelsevilla/teuthology,dreamhost/teuthology,ktdreyer/teuthology,yghannam/teuthology,caibo2014/teuthology,yghannam/teuthology,dreamhost/teuthology