'Connect a stub receiver, and analytics event tracking.'

def setUp(self, **kwargs):

    super(TestTransferStudents, self).setUp()
    UNENROLL_DONE.connect(self.assert_unenroll_signal)
    patcher = patch('student.models.tracker')
    self.mock_tracker = patcher.start()
    self.addCleanup(patcher.stop)
    self.addCleanup(UNENROLL_DONE.disconnect, self.assert_unenroll_signal)
