Fix buildfarm tests again (increase test timeout) (#30)

Author: mintar

dlux_plugins/test/planner_test.launch

@@ -1,5 +1,5 @@
 <launch>
   <!-- Planner Test contains 6 configurations, each of which can take over a minute on a shiny developer laptop. -->
-  <!-- Conservatively, we limit each configuration to 3 minutes, allowing for the slowness of buildfarms, etc.   -->
-  <test test-name="planner_test" pkg="dlux_plugins" type="planner_test" time-limit="1080"/>
+  <!-- Conservatively, we limit each configuration to 10 minutes, allowing for the slowness of buildfarms, etc.   -->
+  <test test-name="planner_test" pkg="dlux_plugins" type="planner_test" time-limit="3600"/>
 </launch>