code: def testParseMillis(self):
      self.assertEqual(
          2e3, command_parser.parse_readable_time_str("2ms")
      )
  
imports: import sys
  from tensorflow.python.debug.cli import command_parser
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 4 for calling the ParseReadableTimeStrTest obj's underlying member method code with example usage: obj.testParseMillis() without return types