273
270
def test_no_op_preserve_stacking(self):
274
271
"""With no stacking, preserve_stacking should be a no-op."""
276
272
branch = self.make_branch('source')
277
273
cloned_bzrdir = branch.bzrdir.clone('cloned', preserve_stacking=True)
278
274
self.assertRaises((errors.NotStacked, errors.UnstackableBranchFormat),