Merge pull request #6 from gavanderhoorn/hw_missing_test_depend

hw: add missing test_depend on description pkg.

franka_hw/package.xml

@@ -19,6 +19,7 @@
   <depend>joint_limits_interface</depend>
   <depend>roscpp</depend>
 
+  <test_depend>franka_description</test_depend>
   <test_depend>gtest</test_depend>
   <test_depend>rostest</test_depend>
 </package>