Update .gitlab-ci.yml

  stage: test

  needs:

    - build monitoring

  before_script:

    - if docker network list | grep teraflowbridge; then echo "teraflowbridge is already created"; else docker network create -d bridge teraflowbridge; fi  

  script:

    - docker network create -d bridge teraflowbridge

    - docker run -d -p 7070:7070 --name monitoring --network=teraflowbridge --rm "$IMAGE_NAME:$IMAGE_TAG"

    - sleep 5

    - docker ps | grep monitoring > deploy_test_report.txt

  after_script:

    - docker stop monitoring

    - docker network rm teraflowbridge

  rules:

    - changes:

      - src/$IMAGE_NAME/**