message: integration_tests: call correct action
diff: @@ -200,7 +200,7 @@ void receive_mission_progress(int current, int total, Device *device)
  if (current == total) {
  // We are done, and can do RTL to go home.
  - const Action::Result result = device->action().arm();
  + const Action::Result result = device->action().return_to_launch();
  EXPECT_EQ(result, Action::Result::SUCCESS);
  }
  }
  