source ros setup after the installation of ros

travis_custom/custom_before_install

@@ -41,11 +41,12 @@ export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/openrobots/lib"
 
 export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/ros/hydro/lib/pkgconfig"
 export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/ros/hydro/lib"
-source /opt/ros/hydro/setup.bash
 
 # When this script is called the current directory is ./custom_travis
 . ./.travis/run ../.travis/before_install
 
+source /opt/ros/hydro/setup.bash
+
 # End debug mode
 set +v
 set +x