feat(full-stack): disable notifications after 3 failures

This stops notifications from firing over and over again if they are repeatedly failing.

[TESTING -> locally with docker compose, DATABASE MIGRATION -> there is a single migration]

Issue: https://www.pivotaltracker.com/story/show/b144646649n

- [ ] It works!
- [ ] Comments provide sufficient explanations for the next contributor
- [ ] Tests cover changes and corner cases
- [ ] Follows Quay syntax patterns and format

endpoints/api/test/test_security.py

@@ -2,6 +2,7 @@ import pytest
 from flask_principal import AnonymousIdentity
 
 from endpoints.api import api
+from endpoints.api.repositorynotification import RepositoryNotification
 from endpoints.api.team import OrganizationTeamSyncing
 from endpoints.api.test.shared import client_with_identity, conduct_api_call
 from endpoints.api.repository import RepositoryTrust
@@ -16,6 +17,8 @@ TEAM_PARAMS = {'orgname': 'buynlarge', 'teamname': 'owners'}
 BUILD_PARAMS = {'build_uuid': 'test-1234'}
 REPO_PARAMS = {'repository': 'devtable/someapp'}
 SEARCH_PARAMS = {'query': ''}
+NOTIFICATION_PARAMS = {'namespace': 'devtable', 'repository': 'devtable/simple', 'uuid': 'some uuid'}
+
 
 @pytest.mark.parametrize('resource,method,params,body,identity,expected', [
   (OrganizationTeamSyncing, 'POST', TEAM_PARAMS, {}, None, 403),
@@ -52,6 +55,11 @@ SEARCH_PARAMS = {'query': ''}
   (RepositorySignatures, 'GET', REPO_PARAMS, {}, 'reader', 403),
   (RepositorySignatures, 'GET', REPO_PARAMS, {}, 'devtable', 404),
 
+  (RepositoryNotification, 'POST', NOTIFICATION_PARAMS, {}, None, 403),
+  (RepositoryNotification, 'POST', NOTIFICATION_PARAMS, {}, 'freshuser', 403),
+  (RepositoryNotification, 'POST', NOTIFICATION_PARAMS, {}, 'reader', 403),
+  (RepositoryNotification, 'POST', NOTIFICATION_PARAMS, {}, 'devtable', 204),
+
   (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, None, 403),
   (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, 'freshuser', 403),
   (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, 'reader', 403),