Add pytest for getBag

.gitlab-ci.yml

@@ -14,6 +14,7 @@ getBag:
   script:
   - ln -sfn `readlink -e ./test_data/auth/credential.json` ~/.deriva/credential.json
   - singularity run 'docker://bicf/gudmaprbkfilexfer:1.3' deriva-download-cli dev.gudmap.org --catalog 2 ./workflow/conf/replicate_export_config.json . rid=16-1ZX4
+  - pytest -m getBag
 
 getData:
   stage: unit