update test docker compose

docker-compose.test.yml

@@ -9,6 +9,7 @@ services:
 #    volumes:      - /mnt/fotos/www:/app/data
   mysql:
     image: mariadb
+    container_name: test_mysql
     environment:
       MYSQL_DATABASE: fet2020db
       MYSQL_USER: user
@@ -21,6 +22,7 @@ services:
       #- /root/2022_04_24/mysql:/docker-entrypoint-initdb.d/
   etherpadsql:
     image: mariadb
+    container_name: test_mysql_etherpad
     environment:
       MYSQL_DATABASE: etherpaddb
       MYSQL_USER: user
@@ -33,6 +35,7 @@ services:
 #     - /root/2022_04_24/etherpad:/docker-entrypoint-initdb.d/
   etherpad:
     image: etherpad/etherpad
+    container_name: test_etherpad
     environment:
       DB_TYPE: mysql
       DB_HOST: etherpadsql
@@ -50,6 +53,7 @@ services:
 #     - ./deployment/mysql.cnf:/etc/mysql/conf.d
   fet2020:
     image: docker.fet.at/fet2020django
+    container_name: test_fet2020
     environment:
      - HOST_NAME
      - DEBUG
@@ -64,7 +68,7 @@ services:
       - "8005:8080" 
     volumes:
       - /srv/APIKEY.txt:/app/etherpad/APIKEY.txt
-      - files:/app/files
+      - /srv/files:/app/files
 volumes:
   ep-mysql-volume:
     driver: local