Method get_tx_bytes

tests/utils/test_harness.cpp:172–172

  int get_clock_ratio() override { return m_controller->m_clock_ratio; }
  float get_tCK() override { return m_controller->get_tCK(); }
  int get_tx_bytes() override { return m_controller->get_tx_bytes(); }

  IController* controller() const { return m_controller; }