def METHOD_NAME(self, bash, functions):
    """Test code execution through unintended pathname expansions
    When there is a file named "quote=$(COMMAND)" (for
    _comp_compgen_filedir) or "ret=$(COMMAND)" (for _comp_quote_compgen),
    the completion of the word '$* results in the execution of COMMAND.
      $ echo '$*[TAB]
    """
    os.mkdir("./ret=$(echo injected >&2)")
    assert_bash_exec(bash, "_comp__test_quote_compgen $'\\'$*' >/dev/null")