[3.0.x] Fixed #30900 -- Skipped async-related tests on Windows using Python 3.8.0.

Refs https://bugs.python.org/issue38563.
Backport of e83c300a3312995d46315616f4361dfa110c741b from master

2 files changed, 7 insertions, 0 deletions

diff --git a/tests/asgi/tests.py b/tests/asgi/tests.py
index 32520fae29..eee12b95ba 100644
--- a/tests/asgi/tests.py
+++ b/tests/asgi/tests.py
@@ -1,5 +1,6 @@
 import asyncio
 import sys
+from unittest import skipIf
 
 from asgiref.sync import async_to_sync
 from asgiref.testing import ApplicationCommunicator
@@ -12,6 +13,7 @@ from django.test import SimpleTestCase, override_settings
 from .urls import test_filename
 
 
+@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
 @override_settings(ROOT_URLCONF='asgi.urls')
 class ASGITest(SimpleTestCase):
 
diff --git a/tests/async/tests.py b/tests/async/tests.py
index 1e1cabc1c6..450a38018d 100644
--- a/tests/async/tests.py
+++ b/tests/async/tests.py
@@ -1,3 +1,6 @@
+import sys
+from unittest import skipIf
+
 from asgiref.sync import async_to_sync
 
 from django.core.exceptions import SynchronousOnlyOperation
@@ -7,6 +10,7 @@ from django.utils.asyncio import async_unsafe
 from .models import SimpleModel
 
 
+@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
 class DatabaseConnectionTest(SimpleTestCase):
     """A database connection cannot be used in an async context."""
     @async_to_sync
@@ -15,6 +19,7 @@ class DatabaseConnectionTest(SimpleTestCase):
             list(SimpleModel.objects.all())
 
 
+@skipIf(sys.platform == 'win32' and (3, 8, 0) < sys.version_info < (3, 8, 1), 'https://bugs.python.org/issue38563')
 class AsyncUnsafeTest(SimpleTestCase):
     """
     async_unsafe decorator should work correctly and returns the correct