51     def do_fork(suite):  argument
52         """Take suite and start up multiple runners by forking (Unix only).
54         :param suite: TestSuite object.
60         test_blocks = partition_tests(suite, concurrency_num)
61         # Clear the tests from the original suite so it doesn't keep them alive
62         suite._tests[:] = []
65             # Also clear each split list so new suite has only reference
102 def partition_tests(suite, count):  argument
103     """Partition suite into count lists of tests."""
110     tests = iterate_tests(suite)
135     suite = unittest.TestLoader().loadTestsFromTestCase(SampleTestCase)  variable
139     runner.run(suite)
142     suite = unittest.TestLoader().loadTestsFromTestCase(SampleTestCase)  variable
143     concurrent_suite = ConcurrentTestSuite(suite, fork_for_tests(4))