Use the return value of schedule_suite()
Use the return value of schedule_suite()

Signed-off-by: Zack Cerza <f801c831581d4150a2793939287636221d62131e@inktank.com>

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