python3Packages.django-rest-registration: fix build

Wrong jwt dependency broke a test. Accelerate the otherwise slow tests
with xdist and clean up and reannotate failing tests.

pkgs/development/python-modules/django-rest-registration/default.nix

@@ -5,9 +5,10 @@
   djangorestframework,
   fetchFromGitHub,
   pytest-django,
+  pytest-xdist,
   pytestCheckHook,
   pythonOlder,
-  jwt,
+  pyjwt,
   setuptools,
 }:
 
@@ -35,16 +36,15 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     pytestCheckHook
     pytest-django
-    jwt
+    pytest-xdist
+    pyjwt
   ];
 
   pythonImportsCheck = [ "rest_registration" ];
 
   disabledTests = [
-    # This test fails on Python 3.10
+    # Failed: DID NOT RAISE <class 'rest_registration.utils.html.MLStripperParseFailed'>
     "test_convert_html_to_text_fails"
-    # This test is broken and was removed after 0.7.3. Remove this line once version > 0.7.3
-    "test_coreapi_autoschema_success"
   ];
 
   meta = {