do not run c-extension creation routines when running tests

recipe/meta.yaml

@@ -47,6 +47,7 @@ source:
       - patches/pypy_107663.patch  # [name_suffix == "3.8"]
       - patches/pypy_107660.patch  # [name_suffix == "3.9"]
       - patches/pypy_107661.patch
+      - patches/pypy_107668.patch  # [name_suffix == "3.9"]
 
 
   - url: https://downloads.python.org/pypy/pypy2.7-v7.3.6-win64.zip           # [win]

recipe/patches/107668.patch

@@ -0,0 +1,24 @@
+# HG changeset patch
+# User Matti Picus <[email protected]>
+# Date 1692026252 -10800
+#      Mon Aug 14 18:17:32 2023 +0300
+# Branch conda-3.9-v7.3.12
+# Node ID 56b6319f7d74c233348a2109a3de883d5d38a581
+# Parent  9563129b6f7d3d60334f3a5d42a8e9a74f5f31da
+do not create c-extensions when running tests
+
+diff -r 9563129b6f7d -r 56b6319f7d74 lib-python/3/test/support/__init__.py
+--- a/lib-python/3/test/support/__init__.py	Sat Aug 12 23:12:09 2023 +0300
++++ b/lib-python/3/test/support/__init__.py	Mon Aug 14 18:17:32 2023 +0300
+@@ -28,11 +28,6 @@
+
+ from .testresult import get_test_runner
+
+-# This will create the _testmultiphaseimport c-extension module if it does not exist
+-import _testmultiphase_build
+-# This will create the _ctypes_test c-extension module if it does not exist
+-import _ctypes_test_build
+-
+ __all__ = [
+     # globals
+     "PIPE_MAX_SIZE", "verbose", "max_memuse", "use_resources", "failfast",