Source Zendesk Chat: correct problem with CI

[marcosmarxm]

Current Behavior

value = ['not', ['firedBefore'***

    def serialize(value) -> str:
        """Simplify comparison of nested dicts/lists"""
        if isinstance(value, Mapping):
            return json.dumps(***k: serialize(v) for k, v in value.items()*** sort_keys=True)
        if isinstance(value, List):
>           return sorted([serialize(v) for v in value***)
E           TypeError: '<' not supported between instances of 'list' and 'str'

/usr/local/lib/python3.7/site-packages/source_acceptance_test/utils/compare.py:78: TypeError

Expected Behavior

#5476 change the field unread to correct type. Test a connection between Zendesk to Pg and normalization is working but CI keep failing

Logs

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LOG

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Steps to Reproduce

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