#2621 rename test.test_support to test.support
diff --git a/Lib/test/test_dumbdbm.py b/Lib/test/test_dumbdbm.py
index 9a2cb68..24c178f 100644
--- a/Lib/test/test_dumbdbm.py
+++ b/Lib/test/test_dumbdbm.py
@@ -7,9 +7,9 @@
 import os
 import unittest
 import dumbdbm
-from test import test_support
+from test import support
 
-_fname = test_support.TESTFN
+_fname = support.TESTFN
 
 def _delete_files():
     for ext in [".dir", ".dat", ".bak"]:
@@ -177,7 +177,7 @@
 
 def test_main():
     try:
-        test_support.run_unittest(DumbDBMTestCase)
+        support.run_unittest(DumbDBMTestCase)
     finally:
         _delete_files()