diff -r 03df2c1c6892 Lib/test/test_argparse.py
--- a/Lib/test/test_argparse.py Thu Apr 03 10:31:25 2014 -0400
+++ b/Lib/test/test_argparse.py Fri Apr 04 11:25:24 2014 +0300
@@ -47,6 +47,9 @@
 
     def tearDown(self):
         os.chdir(self.old_dir)
+        for root, dirs, files in os.walk(self.temp_dir, topdown=False):
+            for name in files:
+                os.chmod(os.path.join(self.temp_dir, name), stat.S_IWRITE)
         shutil.rmtree(self.temp_dir, True)
 
     def create_readonly_file(self, filename):
diff -r 03df2c1c6892 Lib/test/test_file.py
--- a/Lib/test/test_file.py Thu Apr 03 10:31:25 2014 -0400
+++ b/Lib/test/test_file.py Fri Apr 04 11:25:24 2014 +0300
@@ -300,6 +300,7 @@
                 self.fail("readlines() after next() with empty buffer "
                           "failed. Got %r, expected %r" % (line, testline))
             # Reading after iteration hit EOF shouldn't hurt either
+            f.close()
             f = self.open(TESTFN, 'rb')
             try:
                 for line in f:
diff -r 03df2c1c6892 Lib/test/test_httpservers.py
--- a/Lib/test/test_httpservers.py  Thu Apr 03 10:31:25 2014 -0400
+++ b/Lib/test/test_httpservers.py  Fri Apr 04 11:25:24 2014 +0300
@@ -335,6 +335,7 @@
             response = self.request(self.tempdir_name + '/')
             self.check_status_and_reason(response, 404)
             os.chmod(self.tempdir, 0755)
+        f.close()    
 
     def test_head(self):
         response = self.request(