Method onStart

tests/gtest_interface.cpp:53–58

    return {};
  }
  BT::NodeStatus onStart() override
  {
    std::cout << "onStart" << std::endl;
    imotor_.doMove();
    return BT::NodeStatus::RUNNING;
  }
  BT::NodeStatus onRunning() override
  {
    std::cout << "onRunning" << std::endl;