Function drive

tests/lib/tools/test_session_runner.py:551–553

()

    seen: list[DispatchedToolCall] = []

    async def drive() -> None:
        async for call in _run_with_fakes(events=events, tools=[], max_idle=0.1):
            seen.append(call)

    # If the unowned tool wrongly armed the idle clock the runner would stop
    # ~0.1s in and ``drive()`` would return; a correct runner blocks until the