'``ZFSSnapshots.list()`` calls the ``zfs list`` command with the pool
name.'

def test_list(self):

    reactor = FakeProcessReactor()
    snapshots = ZFSSnapshots(reactor, Filesystem('mypool', None))
    snapshots.list()
    self.assertEqual(reactor.processes[0].args, ['zfs', 'list', '-H', '-r', '-t', 'snapshot', '-o', 'name', '-s', 'creation', 'mypool'])
