def test_equality(self):
        pool = b"zpool"
        dataset = b"zdata"
        assert_equal_comparison(
            self,
            Filesystem(
                pool=pool, dataset=dataset, mountpoint=FilePath(b"foo"),
                size=123, reactor=object()),
            Filesystem(
                pool=pool, dataset=dataset, mountpoint=FilePath(b"bar"),
                size=321, reactor=object())
        )
Two ``Filesystem`` instances are equal if they refer to the same pool
dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/test/test_filesystems_zfs.py/FilesystemTests.test_equality