This massive set of changes uses the new queue names object throughout the app and tests.

Lots of changes, all changing the line of code that puts things into queues, and the code that tests that.

app/v2/notifications/post_notifications.py

@@ -2,6 +2,7 @@ from flask import request, jsonify, current_app
 from sqlalchemy.orm.exc import NoResultFound
 
 from app import api_user, authenticated_service
+from app.config import QueueNames
 from app.dao import services_dao, templates_dao
 from app.models import SMS_TYPE, EMAIL_TYPE, PRIORITY
 from app.notifications.process_notifications import (
@@ -57,7 +58,7 @@ def post_notification(notification_type):
                                         simulated=simulated)
 
     if not simulated:
-        queue_name = 'priority' if template.process_type == PRIORITY else None
+        queue_name = QueueNames.PRIORITY if template.process_type == PRIORITY else None
         send_notification_to_queue(
             notification=notification,
             research_mode=authenticated_service.research_mode,