Failure in browser_ui/1_manage/group/group_saml_non_enforced_sso_spec.rb | Manage Group SAML SSO - Non enforced SSO user logs in to group with SAML SSO
### Full description
Manage Group SAML SSO - Non enforced SSO user logs in to group with SAML SSO
(Added to description 1/5/21) Manage Group SAML SSO - Non enforced SSO lets group admin test settings
(Added to description 1/5/21) Manage Group SAML SSO - Non enforced SSO when SAML SSO is configured with a default membership role adds the new member with access level as set in SAML SSO configuration
### File path
./qa/specs/features/ee/browser_ui/1_manage/group/group_saml_non_enforced_sso_spec.rb
### Stack trace
```
Failure/Error: Runtime::Feature.enable(:group_administration_nav_item)
NoMethodError:
undefined method `[]' for nil:NilClass
```
First happened in https://gitlab.com/gitlab-org/gitlab-qa-mirror/-/jobs/920466508.
(Added 1/5/21: job with three failures https://gitlab.com/gitlab-org/gitlab-qa-mirror/-/jobs/945646927)
issue