Tried to add testing

Author: JanHolger

.github/workflows/maven-deploy.yml

@@ -24,7 +24,8 @@ jobs:
       - name: Build
         run: mvn -B package --file pom.xml
         env:
-          MYSQL_HOST: mysql
+          MYSQL_HOST: 127.0.0.1
+          MYSQL_PORT: ${{ job.services.mariadb.ports[3306] }}
           MYSQL_USER: test
           MYSQL_PASSWORD: test
       - name: Deploy to JavaWebStack Repository