volume mount to dta_tests_data

docker-compose.yml

@@ -40,7 +40,7 @@ services:
       - "8081:8080"
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-      - '/tmp/dta-tests:/tmp/dta-tests'
+      - 'dta_tests_data:/tmp/dta-tests'
     restart: unless-stopped
     # This service can be reached by the 'web' container at http://backend:[port]
 
@@ -58,3 +58,4 @@ services:
 volumes:
   db_data:
   moodledata:
+  dta_tests_data: