diff --git a/Lib/test/support.py b/Lib/test/support.py
index df114a2..b91d732 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -5,6 +5,7 @@
 
 import contextlib
 import errno
+import functools
 import socket
 import sys
 import os
@@ -933,6 +934,16 @@
         count += 1
         time.sleep(0.1)
 
+def reap_threads(func):
+    @functools.wraps(func)
+    def decorator(*args):
+        key = threading_setup()
+        try:
+            return func(*args)
+        finally:
+            threading_cleanup(*key)
+    return decorator
+
 def reap_children():
     """Use this function at the end of test_main() whenever sub-processes
     are started.  This will help ensure that no extra children (zombies)
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index 594f5dd..5bfea6b 100644
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -267,10 +267,9 @@
 
         self.assertEqual(expected_hash, hasher.hexdigest())
 
-
+@support.reap_threads
 def test_main():
     support.run_unittest(HashLibTestCase)
 
-
 if __name__ == "__main__":
     test_main()
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index c680d8d..0600cfc 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -35,9 +35,7 @@
                 retries += 1
                 if retries > 10:
                     # XXX test skipped
-                    print("couldn't allocate two consecutive fds, "
-                        "skipping test_closerange", file=sys.stderr)
-                    return
+                    self.skipTest("couldn't allocate two consecutive fds")
                 first, second = second, os.dup(second)
         finally:
             os.close(second)
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index ea33180..858f24b 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -3175,7 +3175,7 @@
 
         result = MockResult()
         test = TestableTest('testNothing')
-        test._result = result
+        test._resultForDoCleanups = result
 
         exc1 = Exception('foo')
         exc2 = Exception('bar')