TEST: regression test DFS with unavailable revision
TEST: regression test DFS with unavailable revision

Moliholy/cvmfs,alhowaidi/cvmfsNDN,cvmfs-testing/cvmfs,djw8605/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,cvmfs-testing/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,DrDaveD/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,cvmfs-testing/cvmfs,MicBrain/cvmfs,DrDaveD/cvmfs,MicBrain/cvmfs,Moliholy/cvmfs,Gangbiao/cvmfs,Moliholy/cvmfs,reneme/cvmfs,cvmfs/cvmfs,MicBrain/cvmfs,trshaffer/cvmfs,trshaffer/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,alhowaidi/cvmfsNDN,MicBrain/cvmfs,reneme/cvmfs,cvmfs-testing/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,reneme/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,reneme/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,Moliholy/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,Moliholy/cvmfs,cvmfs-testing/cvmfs,alhowaidi/cvmfsNDN,djw8605/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,MicBrain/cvmfs