Checking mac-specific stuff from the 2.3a2 branch in on the trunk.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 6848367..6acd18b 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -633,6 +633,7 @@
         test_poll
         test_popen
         test_popen2
+        test_posix
         test_pty
         test_pwd
         test_resource