Add dependency for jackal_tests (jackal#54)

This PR should only be merged once the test package is released.

Author: jyang-cpr

jackal_robot/package.xml

@@ -15,6 +15,7 @@
 
   <run_depend version_gte="0.3">jackal_bringup</run_depend>
   <run_depend>jackal_firmware</run_depend>
+  <run_depend>jackal_tests</run_depend>
 
   <export>
     <metapackage />