210
210
tree2.commit('unchanged', rev_id='b3')
211
211
tree3.commit('unchanged', rev_id='c3')
215
215
wt.commit('merge b3, c3', rev_id='a3')
217
217
tree2.commit('unchanged', rev_id='b4')
218
218
tree3.commit('unchanged', rev_id='c4')
222
222
wt.commit('merge b4, c4', rev_id='a4')
224
224
self.assertEqual(['a4'], wt.get_parent_ids())