fix registrar test

testing/registrar_test.sh

@@ -5,7 +5,7 @@ echo "inside registrar_test"
 IFS=","
 
 while read product; do
-    docker exec -i $(docker ps -qf "name=emg-pvs_registrar") \
+    docker exec -e OS_PASSWORD=$OS_PASSWORD -i $(docker ps -qf "name=emg-pvs_registrar") \
     env && python3 /registrar.py \
             --objects-prefix $product \
             --service-url $SERVICE_URL \