--- a/dtest
+++ b/dtest
@@ -26,6 +26,10 @@ done
 echo " $count tests succeeded"
 echo 'All unit tests passed' >> $TMP
 
+if [[ -n "${ONLY_UNIT_TESTS}" ]] ; then
+	exit 0
+fi
+
 # Assume AUTO_INCREMENT id column in images table will get 1 in
 # load_jpeg call below, since we reset the DB before doing it.
 export QUERY_STRING=id=1