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
     artifacts:
+        name: ".coverage.${SERVICE_NAME}.${CI_COMMIT_SHORT_SHA}"
         paths:
-          - .coverage.${SERVICE_NAME}.${CI_COMMIT_SHORT_SHA}
+          - /code/.coverage
     rules:
         - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
         - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
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