2799
2798
tt.new_file('name', tt.root, 'content', 'file-id')
2800
2799
tree2 = self.make_branch_and_tree('tree2')
2801
2800
tree2.set_root_id('TREE_ROOT')
2803
2801
merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
2805
2803
merger.merge_type = Merge3Merger