Description

Chai asserts should be assert( actual, expected ), but we do assert( expected, actual ), which becomes confusing when debugging tests.

Docs: https://www.chaijs.com/api/assert/#method_deepequal

Example: https://gitlab.wikimedia.org/repos/abstract-wiki/wikifunctions/function-evaluator/-/blob/main/executors/javascript-wasmedge/test/executor.js?ref_type=heads#L46

Completion checklist

• Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist