Add explicit MTU to test script network creation

.gitlab-ci.yml

@@ -38,11 +38,3 @@ deploy_application:
     project: cspp_geo/geosphere/geosphere-deploy
     strategy: depend
   when: manual
-
-
-#registry_cleanup:
-#  stage: registry_cleanup
-#  tags:
-#    - docker
-#  script:
-#    - ci/registry_cleanup.sh

ci/test_mapserver_image.sh

@@ -36,7 +36,7 @@ setup_test() {
     chmod 777 .
     echo "Temporary directory: ${base_tmp_dir}"
 
-    docker network create ${NETWORK_NAME}
+    docker network create --opt com.docker.network.driver.mtu=1400 ${NETWORK_NAME}
 }
 
 teardown_test() {