code: def testHelpTextUnderlineFlag(self):
      component = tc.WithDefaults().triple
      t = trace.FireTrace(component, name="triple")
      help_screen = helptext.HelpText(component, t)
      self.assertIn(
          formatting.Bold("NAME") + "\n    triple", help_screen
      )
      self.assertIn(
          formatting.Bold("SYNOPSIS") + "\n    triple <flags>",
          help_screen,
      )
      self.assertIn(
          formatting.Bold("FLAGS")
          + "\n    -c, --"
          + formatting.Underline("count"),
          help_screen,
      )
  
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 25 for calling the HelpTest obj's underlying member method code with example usage: obj.testHelpTextUnderlineFlag() without return types