<launch>
  <node name="service_adv_a" pkg="test_roscpp" type="test_roscpp-service_adv_a"/>
  <node name="service_adv_b" pkg="test_roscpp" type="test_roscpp-service_wait_a_adv_b"/>
  <test test-name="service_multiple_providers" pkg="test_roscpp" type="test_roscpp-service_call_expect_b"/>
</launch>


