test xml in django/ rest framework

test_xml.py

from rest_framework.test import APIClient

class SomeTests(LiveServerTestCase):

    def setUp(self):
        self.real_URL = settings.SOME_URL
        settings.SOME_URL = '{0}/some-url/'.format(self.live_server_url)
        self.client = APIClient()
        self.payload = """<some>xml-string</xml>"""

    def tearDown(self):
        settings.SOME_URL = self.real_URL

    def test_something(self):
        response = self.client.post(reverse('view_name'), data=self.payload, content_type='application/xml')