test(policy,summary): updated ginkgo tests

[vishnusomank]

Purpose of PR?:

To remove the flakiness of current ginkgo test and to use gRPC endpoints instead of karmor CLI to extract the data

Fixes #

Does this PR introduce a breaking change?

NO

If the changes in this PR are manually verified, list down the scenarios covered::

Additional information for reviewer? :
Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

• Bug fix. Fixes #
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests
• Commit has integration tests

[Ankurk99]

mostly LGTM