try ssh executor

.gitlab-ci.yml

@@ -30,8 +30,10 @@ unit-test-job:   # This job runs in the test stage.
   stage: test    # It only starts when the job in the build stage completes successfully.
   script:
     - echo "Running unit tests... "
+    - whoami
     - uname -a
     - pwd
+    - ll /nfsdata/share/csst_simulation_data/Cycle-5-SimuData/multipleBandsImaging/
     - which python3
     - which pip3
     - python3 --version