test(integration): fixture for notification channel (#10089)

* chore: fixture for notification channel

* chore: return notification channel info in Create notification channel API

* fix: change scope of create channel fixture to function level

* chore: added debug message on assertion failure

* refactor: improve error handling in webhook notification channel deletion

* chore: ran py linter and fmt

* fix: silenced pylint on too broad exception

* feat: add alerts to integration CI workflow

* chore: removed clean from notification channel creation fixture + changes fixture scope of get_token

* chore: reverted fixture scopes to function

* fix: breaking alert test due to alert manager not registered for newly created org

* chore: formatted and fix lint

---------

Co-authored-by: Srikanth Chekuri <srikanth.chekuri92@gmail.com>

.github/workflows/integrationci.yaml

@@ -46,6 +46,7 @@ jobs:
           - ttl
           - preference
           - logspipelines
+          - alerts
         sqlstore-provider:
           - postgres
           - sqlite