code: def test_main_milliseconds(self):
      s = self.run_main(seconds_per_increment=0.0055)
      self.assertEqual(s, "50 loops, best of 5: 5.5 msec per loop\n")
  
imports: import timeit
  import unittest
  import sys
  import io
  from textwrap import dedent
  from test.support import captured_stdout
  from test.support import captured_stderr
label_desc: Use image node_id 33 for calling the TestTimeit obj's underlying member method code with example usage: obj.test_main_milliseconds() without return types