code: def testParseMicros(self):
      self.assertEqual(2, command_parser.parse_readable_time_str("2us"))
  
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 3 for calling the ParseReadableTimeStrTest obj's underlying member method code with example usage: obj.testParseMicros() without return types