def METHOD_NAME(rule_runner: RuleRunner) -> None:
    content = '"""\nOne line docstring acting like it\'s multiline.\n"""\n'
    rule_runner.write_files({"f.py": content, "BUILD": "python_sources(name='t')"})
    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
    fmt_result = run_docformatter(
        rule_runner,
        [tgt],
        extra_args=["--docformatter-args='--make-summary-multi-line'"],
    )
    assert fmt_result.output == rule_runner.make_snapshot({"f.py": content})
    assert fmt_result.did_change is False