Import testing.conf file in function.sh

This is needed to have access to $LOGFILE and possibly other config
settings.

testing/scripts/start-umls

@@ -14,13 +14,7 @@
 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # for more details.
 
-DIR=`dirname $0`
-
-source $DIR/function.sh
-
-[ -f $DIR/../testing.conf ] || die "Configuration file 'testing.conf' not found"
-
-source $DIR/../testing.conf
+. $PWD/scripts/function.sh
 
 if [ "$#" -eq 0 ]
 then