Function worker

tests/main/test_global_settings.py:126–138

(index: int)

    results = [None, None]

    def worker(index: int):
        # Define a temporary override that forces quiet=True.
        temp = Settings(quiet=True)
        with temporary_settings(temp):
            # While inside the context, the settings should be overridden.
            assert settings.quiet is True
            # Wait until both threads are here.
            barrier.wait()
            # Sleep briefly to let interleaving happen.
            time.sleep(0.01)
        # After the context, we expect the global setting to be restored.
        results[index] = settings.quiet
        # If a race occurred in the old implementation, the restored value may be wrong.

    threads = []
    for i in range(2):