Allow disabling tests with CATKIN_ENABLE_TESTING

Author: Smona

laser_scan_matcher/CMakeLists.txt

@@ -68,5 +68,7 @@ install(FILES laser_scan_matcher_nodelet.xml
 install(DIRECTORY demo
     DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION} )
 
-add_rostest(test/run.test)
-add_rostest(test/covariance.test)
+if(CATKIN_ENABLE_TESTING)
+  add_rostest(test/run.test)
+  add_rostest(test/covariance.test)
+endif()