def METHOD_NAME(mock_event, create_event_signature, signature_instance):
    """ Test delete signature """
    event_type = EventType.DeleteSignature
    event_data = f'Deleted signature {signature_instance.get_signature_id()}'
    signature_controller.delete_signature(
        signature_instance.get_signature_id()
    )
    mock_event.assert_called_once_with(
        event_data=event_data,
        event_summary=event_data,
        event_cla_group_id=signature_instance.get_signature_project_id(),
        event_type=event_type,
        contains_pii=False,
    )