fix ubuntu integration test script
fix ubuntu integration test script

Gangbiao/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,djw8605/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs