fix docker exec command

testing/preprocessor_test.sh

 #!/bin/sh
 
-OS_PASSWORD=$(docker exec -it $(docker ps -qf "name=emg-pvs_preprocessor") cat /run/secrets/OS_PASSWORD)
+OS_PASSWORD=$(docker exec -i $(docker ps -qf "name=emg-pvs_preprocessor") cat /run/secrets/OS_PASSWORD)
 
 #preprocessing the images and save the results in the result bucket
-docker exec -e OS_PASSWORD=$OS_PASSWORD -it $(docker ps -qf "name=emg-pvs_preprocessor") \
+docker exec -e OS_PASSWORD=$OS_PASSWORD -i $(docker ps -qf "name=emg-pvs_preprocessor") \
 preprocessor preprocess --config-file testing/testing_preprocessor_config.yml KS03_AIS_PSH_1G_20160101T113020_20160101T113022_KGS_019339_75CE.tar
 
 

testing/registrar_test.sh

 #!/bin/bash
 product_list_file=$1
 echo "inside registrar_test"
-OS_PASSWORD=$(docker exec -it $(docker ps -qf "name=emg-pvs_preprocessor") cat /run/secrets/OS_PASSWORD)
+
+OS_PASSWORD=$(docker exec -i $(docker ps -qf "name=emg-pvs_registrar") cat /run/secrets/OS_PASSWORD)
 
 IFS=","