code: def testUsageOutputFunctionWithDocstring(self):
      component = tc.multiplier_with_docstring
      t = trace.FireTrace(component, name="multiplier_with_docstring")
      usage_output = helptext.UsageText(
          component, trace=t, verbose=False
      )
      expected_output = """
      Usage: multiplier_with_docstring NUM <flags>
        optional flags:        --rate
  
      For detailed information on this command, run:
        multiplier_with_docstring --help"""
      self.assertEqual(
          textwrap.dedent(expected_output).lstrip("\n"), usage_output
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import textwrap
  from fire import formatting
  from fire import helptext
  from fire import test_components
  from fire import testutils
  from fire import trace
  import six
label_desc: Use image node_id 5 for calling the UsageTest obj's underlying member method code with example usage: obj.testUsageOutputFunctionWithDocstring() without return types