Method test_double_verbose_mode

Lib/test/test_tabnanny.py:354–360

Should display detailed error information if double verbose is on.

(self)

    @unittest.expectedFailure  # TODO: RUSTPYTHON
    def test_double_verbose_mode(self):
        """Should display detailed error information if double verbose is on."""
        with TemporaryPyFile(SOURCE_CODES["nannynag_errored"]) as path:
            stdout = textwrap.dedent(
                "offending line: '\\tprint(\"world\")'"
            ).strip()
            self.validate_cmd("-vv", path, stdout=stdout, partial=True)