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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def step_command_output_should_contain_exactly_text(context, text):
 """ 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" """

    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)