Method onewayWait

lib/cpp/test/processor/Handlers.h:68–73

  }

  void onewayWait() override {
    concurrency::Guard g(mutex_);
    log_->append(EventLog::ET_CALL_ONEWAY_WAIT, 0, 0);

    blockUntilTriggered();
  }

  void exceptionWait(const std::string& message) override {
    concurrency::Guard g(mutex_);