'If two ``Filesystem`` instances have different values for the ``pool``
attribute they are not equal.'

def test_inequality_dataset(self):

    pool = 'zpool'
    mountpoint = FilePath('/foo')
    size = 123
    reactor = object()
    assert_not_equal_comparison(self, Filesystem(pool=pool, dataset='adataset', mountpoint=mountpoint, size=size, reactor=reactor), Filesystem(pool=pool, dataset='bdataset', mountpoint=mountpoint, size=size, reactor=reactor))
