test.launch

<launch>
  <arg name="paused" default="false"/>
  <arg name="use_sim_time" default="true"/>
  <arg name="gui" default="true"/>
  <arg name="headless" default="false"/>
  <arg name="debug" default="false"/>
  <arg name="verbose" default="false"/>
  <arg name="world_name" default="$(find jackal_gazebo)/worlds/hw4.world"/>

  <!-- Start gazebo and load the world -->
  <env name="GAZEBO_MODEL_PATH"
         value="$(find jackal_gazebo)/Media/models:"/>
  <include file="$(find gazebo_ros)/launch/empty_world.launch" >
    <arg name="paused" value="$(arg paused)"/>
    <arg name="use_sim_time" value="$(arg use_sim_time)"/>
    <arg name="gui" value="$(arg gui)"/>
    <arg name="headless" value="$(arg headless)"/>
    <arg name="debug" value="$(arg debug)"/>
    <arg name="verbose" value="$(arg verbose)"/>
    <arg name="world_name" value="$(arg world_name)"/>
  </include>

  

</launch>