Issue #20532: Tests which use _testcapi now are marked as CPython only.
diff --git a/Lib/test/test_getargs2.py b/Lib/test/test_getargs2.py
index 715b5c6..fe64ee1 100644
--- a/Lib/test/test_getargs2.py
+++ b/Lib/test/test_getargs2.py
@@ -1,5 +1,7 @@
 import unittest
 from test import support
+# Skip this test if the _testcapi module isn't available.
+support.import_module('_testcapi')
 from _testcapi import getargs_keywords, getargs_keyword_only
 
 """