Don't copy entire helm_chart dir, just copy CRDs

Author: viveksinghggits

docker/mongodb-kubernetes-tests/Dockerfile

@@ -81,8 +81,9 @@ WORKDIR /tests
 
 # copying the test files after python build, otherwise pip install will be called each time the tests change
 COPY . /tests
-# copying the helm_chart directory as well to support installation of the Operator from the test application
-COPY helm_chart /helm_chart
+# copying the helm_chart/crds directory so that we can install CRDs before installing the operator helm chart to run a test.
+# operator is installed via published OCI helm repo and not the local helm repo.
+COPY helm_chart/crds /helm_chart/crds
 COPY release.json /release.json
 # we use the public directory to automatically test resources samples
 COPY public /mongodb-kubernetes/public