<launch>
  <node name="talker" pkg="rospy" type="talker.py" />
  <group ns="foo">
    <node name="talker" pkg="rospy" type="talker.py" />
  </group>
  <group ns="bar">
    <node name="talker" pkg="rospy" type="talker.py" />
  </group>
  <group ns="baz">
    <node name="talker1" pkg="rospy" type="talker.py" />
    <node name="talker2" pkg="rospy" type="talker.py" />
    <node name="talker3" pkg="rospy" type="talker.py" />    
  </group>
  <group ns="listeners">
    <node name="listener" pkg="rospy" type="listener.py" />      
  </group>
  <group ns="to_kill">  
    <node name="kill1" pkg="rospy" type="talker.py" />
    <node name="kill2" pkg="rospy" type="talker.py" />
    <node name="kill3" pkg="rospy" type="talker.py" />
    <node name="kill4" pkg="rospy" type="talker.py" />
  </group>
  <test test-name="rosnode_command_line_online" pkg="rosnode" type="check_rosnode_command_online.py" />
</launch>
