Try switching to gcloud/helm/kubectl CI image for tests

ci_tests/gitlab-ci.yaml

@@ -71,6 +71,7 @@ test_basic_grb:
 #    name: geosphere
 #    url: http://geosphere.ssec.wisc.edu
   extends: .helm_based_job
+  image: gitlab.ssec.wisc.edu:5555/cspp_geo/geosphere/gcloud-kubectl-helm/gcloud-kubectl-helm:6d3e308b
   stage: test
   script:
     - ns=$(./helpers/get_namespace.sh)