message: integration_tests: stop if send/start mission fail
diff: @@ -95,7 +95,7 @@ TEST_F(SitlTest, MissionAddWaypointsAndFly)
  auto future_result = prom->get_future();
  device.mission().send_mission_async(
  mission_items, [prom](Mission::Result result) {
  - EXPECT_EQ(result, Mission::Result::SUCCESS);
  + ASSERT_EQ(result, Mission::Result::SUCCESS);
  prom->set_value();
  LogInfo() << "Mission uploaded.";
  });
  @@ -119,7 +119,7 @@ TEST_F(SitlTest, MissionAddWaypointsAndFly)
  auto future_result = prom->get_future();
  device.mission().start_mission_async(
  [prom](Mission::Result result) {
  - EXPECT_EQ(result, Mission::Result::SUCCESS);
  + ASSERT_EQ(result, Mission::Result::SUCCESS);
  prom->set_value();
  LogInfo() << "Started mission.";
  });
  