Factor out common boilerplate for test_support
diff --git a/Lib/test/test_bisect.py b/Lib/test/test_bisect.py
index 7357f53..f30114d 100644
--- a/Lib/test/test_bisect.py
+++ b/Lib/test/test_bisect.py
@@ -192,24 +192,14 @@
 
 """
 
-#==============================================================================
-
-def makeAllTests():
-    suite = unittest.TestSuite()
-    for klass in (TestBisect,
-                  TestInsort
-                  ):
-        suite.addTest(unittest.makeSuite(klass))
-    return suite
-
 #------------------------------------------------------------------------------
 
 __test__ = {'libreftest' : libreftest}
 
 def test_main(verbose=None):
     from test import test_bisect
-    suite = makeAllTests()
-    test_support.run_suite(suite)
+    test_support.run_classtests(TestBisect,
+                                TestInsort)
     test_support.run_doctest(test_bisect, verbose)
 
 if __name__ == "__main__":