Method onThreadCleanup

tests/test_ssl.cpp:27–27

protected:
    void onThreadInitialize() override { thread_initialize = true; }
    void onThreadCleanup() override { thread_cleanup = true; }
    void onStarted() override { started = true; }
    void onStopped() override { stopped = true; }
    void onIdle() override { idle = true; }