### Notification.test.tsx

[nicolethoen]

file: https://github.com/RedHatInsights/frontend-components/tree/master/packages/notifications/src/Notification/Notification.test.tsx

Ensure PF4@5 compatibility

[kmcfaul]

Evaluated by Notification issue.
Usage of AlertVariant import in test has not been changed by v5 (success is still valid value).