def METHOD_NAME(self):
    assert FileParticipant.objects.filter(
        uuid=self.file_uuid, username=self.tmp_user.username).count() == 1
    data = 'email=' + self.tmp_user.username + '&path=' + self.file
    resp = self.client.delete(self.url, data, 'application/x-www-form-urlencoded')
    self.assertEqual(200, resp.status_code)
    json_resp = json.loads(resp.content)
    assert json_resp['success']
    assert FileParticipant.objects.filter(
        uuid=self.file_uuid, username=self.tmp_user.username).count() == 0