Hello, I created my first PR in Refine

Hello, I created my first PR in Refine and made some changes in Form hook. As I am a beginner, I am facing issues while running tests. Can Someone explain or provide resources on how to run tests and see if my change is working fine or not.
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robust-apricot98d ago
Contributing | refine
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other-emerald98d ago
I tried this but it shows : Could not find a declaration file for module 'util'. import * as util from "util";