WS 78 fix datafetcher tests

ci/unit-test.template.yml

 .unit-test:
     image: ${REGISTRY_URL}/${PROJECT_NAME}/${SERVICE_NAME}:${CI_COMMIT_SHORT_SHA}
     script:
-        - /code/bin/run-tests.sh -b
+        - cd /code && ./bin/run-tests.sh -b
+        - cd /code && mv .coverage .coverage.${SERVICE_NAME}.${CI_COMMIT_SHORT_SHA}
     artifacts:
         paths:
           - .coverage.${SERVICE_NAME}.${CI_COMMIT_SHORT_SHA}