WIP: Add unit test cases for useSubmitInputInternal hook

[mashazyu]

Description

Add unit test cases for useSubmitInputInternal hook

Closes #136

What change does this PR introduce?

Please select the relevant option(s).

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (changes to docs/code comments)

What is the proposed approach?

Checklist:

• The commit message follows our adopted guidelines
• Testing has been done for the change(s) added (for bug fixes/features)
• Relevant comments/docs have been added/updated (for bug fixes/features)

[tjtanjin]

Hi @mashazyu! Dropping in to check if you'd like to continue working on this draft🥹

[mashazyu]

Hi @mashazyu! Dropping in to check if you'd like to continue working on this draft🥹

Hello @tjtanjin ,

Thank you for checking in. Yes, I'd love to finish this PR. I will make a proposal within upcoming week, it that's ok.

[tjtanjin]

Hi @mashazyu! Dropping in to check if you'd like to continue working on this draft🥹

Hello @tjtanjin ,

Thank you for checking in. Yes, I'd love to finish this PR. I will make a proposal within upcoming week, it that's ok.

Not a problem, happy to hear! 😊