test_posix is an expected skip on Win32.  Also fixed test_posix to
import from test.test_support instead of directly from test_support.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 00847fc..5349064 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -572,6 +572,7 @@
         test_openpty
         test_ossaudiodev
         test_poll
+        test_posix
         test_pty
         test_pwd
         test_resource
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 0989e93..d20a7db 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -1,6 +1,6 @@
 "Test posix functions"
 
-from test_support import TestSkipped, TestFailed, TESTFN, run_suite
+from test.test_support import TestSkipped, TestFailed, TESTFN, run_suite
 
 try:
     import posix