Merge branch '439815-add-tests' into 'master'

Update tests in project_policy_spec.rb and ci/trigger_policy_spec.rb for more coverage

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/170212



Merged-by: Ahmed Hemdan <ahemdan@gitlab.com>
Approved-by: Missy Davies <mdavies@gitlab.com>
Approved-by: Ahmed Hemdan <ahemdan@gitlab.com>
Reviewed-by: Ahmed Hemdan <ahemdan@gitlab.com>
Reviewed-by: Missy Davies <mdavies@gitlab.com>
Co-authored-by: divyamtayal <divyamtayal18@gmail.com>