volume mount to dta_tests_data

docker-compose.yml

@@ -40,7 +40,8 @@ services:
       - "8081:8080"
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-      - 'dta_tests_data:/tmp/dta-tests'
+      - type: tmpfs
+        target: /tmp/dta-tests
     restart: unless-stopped
     # This service can be reached by the 'web' container at http://backend:[port]
 
@@ -58,4 +59,3 @@ services:
 volumes:
   db_data:
   moodledata:
-  dta_tests_data: