Standardize on test.test_support.run_unittest() (as opposed to a mix of run_unittest() and run_suite()). Also, add functionality to run_unittest() that admits usage of unittest.TestLoader.loadTestsFromModule().

Lib/test/test_email_renamed.py

@@ -4,10 +4,10 @@
 import unittest
 # The specific tests now live in Lib/email/test
 from email.test.test_email_renamed import suite
-from test.test_support import run_suite
+from test import test_support
 
 def test_main():
-    run_suite(suite())
+    test_support.run_unittest(suite())
 
 if __name__ == '__main__':
     test_main()