Refs #31224 -- Added autoconversion of test async methods.

django/test/testcases.py

@@ -1,3 +1,4 @@
+import asyncio
 import difflib
 import json
 import posixpath
@@ -16,6 +17,8 @@ from urllib.parse import (
 )
 from urllib.request import url2pathname
 
+from asgiref.sync import async_to_sync
+
 from django.apps import apps
 from django.conf import settings
 from django.core import mail
@@ -257,6 +260,10 @@ class SimpleTestCase(unittest.TestCase):
             getattr(testMethod, "__unittest_skip__", False)
         )
 
+        # Convert async test methods.
+        if asyncio.iscoroutinefunction(testMethod):
+            setattr(self, self._testMethodName, async_to_sync(testMethod))
+
         if not skipped:
             try:
                 self._pre_setup()