def make_paths():
            """Help out the test by yielding two existing paths and one new path."""
            yield "CHANGES"
            yield "ez_setup.py"
            yield index.entries[index.entry_key("README", 0)]
            yield index.entries[index.entry_key(".gitignore", 0)]

            for fid in range(3):
                fname = "newfile%i" % fid
                with open(fname, "wb") as fd:
                    fd.write(b"abcd")
                yield Blob(rw_repo, Blob.NULL_BIN_SHA, 0o100644, fname)
            # END for each new file
Help out the test by yielding two existing paths and one new path.
test/test_index.py