radosgw-admin: test max buckets limit
radosgw-admin: test max buckets limit

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