roslaunch_test.xml

<?xml version="1.0"?>
<launch>

  <group ns="ur3__">
    <include file="$(find ur_gazebo)/launch/ur3.launch"/>
  </group>

  <group ns="ur5__">
    <include file="$(find ur_gazebo)/launch/ur5.launch"/>
  </group>

  <group ns="ur10__">
    <include file="$(find ur_gazebo)/launch/ur10.launch"/>
  </group>

  <group ns="ur3_joint_limited__">
    <include file="$(find ur_gazebo)/launch/ur3_joint_limited.launch"/>
  </group>

  <group ns="ur5_joint_limited__">
    <include file="$(find ur_gazebo)/launch/ur5_joint_limited.launch"/>
  </group>

  <group ns="ur10_joint_limited__">
    <include file="$(find ur_gazebo)/launch/ur10_joint_limited.launch"/>
  </group>

  <group ns="controller_utils__">
    <include file="$(find ur_gazebo)/launch/controller_utils.launch"/>
  </group>

</launch>