def _list_snapshots(reactor, filesystem):
    d = zfs_command(reactor, _list_snapshots_command(filesystem))
    d.addCallback(_parse_snapshots, filesystem)
    return d
Regression test for https://aeon.stsci.edu/ssb/trac/pyfits/ticket/200
dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/filesystems/zfs.py/_list_snapshots--crossover with--dataset/ETHPy150Open spacetelescope/PyFITS/pyfits/tests/test_table.py/TestVLATables.test_getdata_vla