Removed useless volume for test database (#23)

Author: alexleboucher

docker-compose.yml

@@ -28,12 +28,9 @@ services:
     image: postgres:15-alpine
     ports:
       - '${TEST_DB_HOST_PORT}:${DB_PORT}'
-    volumes:
-      - data_test:/var/lib/postgresql/data
     environment:
       - POSTGRES_PASSWORD=${DB_PASSWORD}
       - POSTGRES_DB=${TEST_DB_NAME}
 
 volumes:
   data:
-  data_test: