testing: Load testing.conf.local from the same directory as testing.conf

testing/testing.conf

@@ -14,9 +14,10 @@
 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # for more details.
 
-if [ -f testing.conf.local ]
+TESTINGDIR=$(dirname `readlink -f ${BASH_SOURCE[0]}`)
+if [ -f $TESTINGDIR/testing.conf.local ]
 then
-	. testing.conf.local
+	. $TESTINGDIR/testing.conf.local
 fi
 
 # Root directory of testing