try ssh executor

.gitlab-ci.yml

@@ -37,6 +37,7 @@ unit-test-job:   # This job runs in the test stage.
     - ls /nfsdata/share/csst_simulation_data/Cycle-5-SimuData/multipleBandsImaging/NGP_AstrometryON_shearOFF
     - which python3
     - which pip3
+    - which conda
     - python3 --version
     - pip install -r requirements.txt
     - sh install.sh