test_threadsignals is an expected skip on win32.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 5d5d78d..e1ad55d 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -698,6 +698,7 @@
         test_resource
         test_signal
         test_sunaudiodev
+        test_threadsignals
         test_timing
         """,
     'linux2':