def METHOD_NAME(self):
    """POST is allowed"""
    # login testuser
    self.client.login(
        username='testuser_domainuser_api', password='pzJk89y9aQYUkAfwJ5KN'
    )
    # get object
    domain_id = str(Domain.objects.get(domain_name='domain_1').domain_id)
    # create POST string
    poststring = {
        "domainuser_name": "domainuser_api_2",
        "domainuser_is_domainadmin": False,
        "domain": domain_id,
    }
    # get response
    response = self.client.post('/api/domainuser/', data=poststring)
    # compare
    self.assertEqual(response.status_code, 201)