Issue 10611. Issue 9857. Improve the way exception handling, including test skipping, is done inside TestCase.run
diff --git a/Misc/python-wing4.wpr b/Misc/python-wing4.wpr
index c3f1537..795b694 100644
--- a/Misc/python-wing4.wpr
+++ b/Misc/python-wing4.wpr
@@ -5,8 +5,10 @@
 ##################################################################
 [project attributes]
 proj.directory-list = [{'dirloc': loc('..'),
-                        'excludes': [u'Lib/__pycache__',
+                        'excludes': [u'Lib/unittest/test/__pycache__',
+                                     u'Lib/__pycache__',
                                      u'Doc/build',
+                                     u'Lib/unittest/__pycache__',
                                      u'build'],
                         'filter': '*',
                         'include_hidden': False,