Create feature tests for policies list

What does this MR do and why?

Create feature tests for policies list

• test appearance of policies in policy list for project and group level

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

bin/rspec ee/spec/features/projects/security/policies_list_spec.rb

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Relates to gitlab-org/quality/quality-engineering/team-tasks#2226

Relates to gitlab-org/quality/quality-engineering/team-tasks#2231

Relates to gitlab-org/quality/quality-engineering/team-tasks#2227

Relates to gitlab-org/quality/quality-engineering/team-tasks#2225