message: integration_tests: fix landing time
  For the high takeoff the landing time was on the low end.
diff: @@ -75,7 +75,7 @@ void takeoff_and_hover_at_altitude(float altitude_m)
  std::this_thread::sleep_for(std::chrono::seconds(1));
  // TODO: currently we need to wait a long time until landed is detected.
  - ASSERT_LT(++iteration, 10);
  + ASSERT_LT(++iteration, 2 * wait_time_s);
  }
  action_ret = device.action().disarm();
  