PIPELINE: fix pipeline

.gitlab-ci.yml

@@ -118,6 +118,7 @@ test:
     - job: build-test
   script:
     - echo $PWD
+    - F_BRANCH="${F_BRANCH:-$CI_COMMIT_REF_NAME}" ;
     - echo "F_BRANCH = $F_BRANCH"
     - echo "CAOSDB_TAG = $CAOSDB_TAG"
     - echo "DEPLOY_REF = $DEPLOY_REF"