"Owner" level cannot list confidential issues or poll for notes on them
- Add a group, and a project in that group
- Add a user to the group as an Owner
- Create a confidential issue in that project. Copy the URL for later.
- As the user added as an Owner, view the project's issues list
- Note the confidential issue is hidden from the list
- As the user added as an Owner, view the URL we copied earlier
- Note the issue is viewable
- Note that each note poll results in a 404