| Class | PersonMailingListTestCase | Undocumented |
| Class | MailingListTestCase | Tests for MailingList data and behaviour. |
| Class | MailingListSetTestCase | Test the mailing list set class. |
| Class | MailingListMessageTestCase | Undocumented |
| Class | MailingListHeldMessageTestCase | Test the MailingList held message behaviour. |
| Class | MessageApprovalTestCase | Test the MessageApproval data behaviour. |
| Class | MessageApprovalSetTestCase | Test the MessageApprovalSet behaviour. |
| Class | HeldMessageDetailsTestCase | Test the HeldMessageDetails data. |