code: def step_command_output_should_contain_exactly_text(context, text):
      
      expected_text = text
      if "{__WORKDIR__}" in text or "{__CWD__}" in text:
          expected_text = textutil.template_substitute(text,
               __WORKDIR__ = posixpath_normpath(context.workdir),
               __CWD__     = posixpath_normpath(os.getcwd())
          )
      actual_output  = context.command_result.output
      textutil.assert_text_should_contain_exactly(actual_output, expected_text)
docs: Verifies that the command output of the last command contains the
      expected text.
  
      .. code-block:: gherkin
  
          When I run "echo Hello"
          Then the command output should contain "Hello"