Check out notification after deleting other comment, user subscribes to own topic, with unchecked "Auto subscribe"

Pre-condition:

1. User1 and User2 are registered and logged in
2. At least one branch is created
3. At least one topic is created by User1
4. At least one comment is left by other user
5. User1 has unchecked "Auto subscribe" checkbox in the profile
6. User2 has permission DELETE_OTHERS_POSTS
7. User1 has permission CREATE_POSTS