diff -r a2a4b9ff79bd lib-python/2.7/test/test_argparse.py
--- a/lib-python/2.7/test/test_argparse.py	Fri Mar 07 13:57:28 2014 -0500
+++ b/lib-python/2.7/test/test_argparse.py	Wed Apr 02 01:09:43 2014 +0300
@@ -10,6 +10,7 @@
 import tempfile
 import unittest
 import argparse
+import gc
 
 from StringIO import StringIO
 
@@ -47,7 +48,11 @@
 
     def tearDown(self):
         os.chdir(self.old_dir)
-        shutil.rmtree(self.temp_dir, True)
+        gc.collect()
+        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):
         file_path = os.path.join(self.temp_dir, filename)
diff -r a2a4b9ff79bd lib-python/2.7/test/test_file.py
--- a/lib-python/2.7/test/test_file.py	Fri Mar 07 13:57:28 2014 -0500
+++ b/lib-python/2.7/test/test_file.py	Wed Apr 02 01:09:43 2014 +0300
@@ -301,6 +301,7 @@
                 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 a2a4b9ff79bd lib-python/2.7/test/test_httpservers.py
--- a/lib-python/2.7/test/test_httpservers.py	Fri Mar 07 13:57:28 2014 -0500
+++ b/lib-python/2.7/test/test_httpservers.py	Wed Apr 02 01:09:43 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(