Sem-Ver: bugfix Switch the wsgi tests to use unittest assertions.

Signed-off-by: David Black <dblack@atlassian.com>

Author: dbaxa

atlassian_jwt_auth/frameworks/wsgi/tests/test_wsgi.py

@@ -63,19 +63,19 @@ def test_request_with_valid_token_is_allowed(self):
             'client-app/key01', self._private_key_pem
         )
         body, resp_info, environ = self.send_request(token=token)
-        assert resp_info['status'] == '200 OK'
-        assert 'ATL_ASAP_CLAIMS' in environ
+        self.assertEqual(resp_info['status'], '200 OK')
+        self.assertIn('ATL_ASAP_CLAIMS', environ)
 
     def test_request_with_invalid_audience_is_rejected(self):
         token = create_token(
             'client-app', 'invalid-audience',
             'client-app/key01', self._private_key_pem
         )
         body, resp_info, environ = self.send_request(token=token)
-        assert resp_info['status'] == '401 Unauthorized'
-        assert 'ATL_ASAP_CLAIMS' not in environ
+        self.assertEqual(resp_info['status'], '401 Unauthorized')
+        self.assertNotIn('ATL_ASAP_CLAIMS', environ)
 
     def test_request_with_invalid_token_is_rejected(self):
         body, resp_info, environ = self.send_request(token=b'notavalidtoken')
-        assert resp_info['status'] == '401 Unauthorized'
-        assert 'ATL_ASAP_CLAIMS' not in environ
+        self.assertEqual(resp_info['status'], '401 Unauthorized')
+        self.assertNotIn('ATL_ASAP_CLAIMS', environ)