Added removal of an existing group application when someone else is applying.
This makes sure that the fields we do not collect via the form also get wiped when a rejected application is being redone by someone else.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
"""
Django Unit Test and Doctest framework.
"""
from django.test.client import Client
from django.test.testcases import TestCase