Introduce new test case to the security context bats file which verifies
that policy works properly for a deployment yaml containing fsGroup and
supplementalGroup configuration.
Signed-off-by: Cameron Baird <cameronbaird@microsoft.com>
Introduce tests to check for policy correctness on a redis deployment
with 1. a pod-level securityContext 2. a container-level securityContext
which shadows the pod-level securityContext 3. a pod-level
securityContext which selects an existing user (nobody), causing a new GID to be selected.
Redis is an interesting container image to test with because it includes
a /etc/passwd file with existing user/group configuration of 1000:1000 baked in.
Signed-off-by: Cameron Baird <cameronbaird@microsoft.com>