uses the test.regrtest module from the Python regression test

lib/Components/ExtensionClass/test/regrtest.py

+#! /usr/bin/env python
+
+import os
+import sys
+import test.regrtest
+
+ec_tests = ["test_MultiMapping", "test_Sync", "test_ThreadLock",
+            "test_acquisition", "test_add", "test_binding",
+            "test_explicit_acquisition", "test_func_attr",
+            "test_method_hook"]
+
+ec_testdir = os.path.split(sys.argv[0])[0]
+test.regrtest.main(tests=ec_tests, testdir=ec_testdir)