Add unit tests to front-end part of the app

[0xswakei]

Summary

1. This PR adds unit tests for front-end under app/

[0xswakei]

Hi @wu-emma
Kindly check this out ( #17 )

Thanks

[van-orton]

the tests unfortunately won't work with updated main branch with web3/Metamask support, could you please update the test code?

[wu-emma]

making partial payment, let's finish this so would make one more

[0xswakei]

Hello @wu-emma, @van-orton

Thanks, sure, here's the itinerary:

1. Sync the main branch with the Metamask feature
2. Update the add-frontend-tests to cover the new features
3. Run the tests
4. update Pull Request accordingly

[wu-emma]

hey @0xswakei, how it's going? if any updates please commit them and we merge

[0xswakei]

hey @0xswakei, how it's going? if any updates please commit them and we merge

Hey @wu-emma
I added more tests, now ready to merge,
My apologies for taking too long,

Thanks

[wu-emma]

hey @0xswakei PR looks good, making some more payment, thanks for the contribution!

[0xswakei]

Hey @wu-emma

Thanks: 0xe474564adab5cf48dcfb190fdf61083643c328b789fb1661776831ec0714dd7b
I was hoping it would be total of $1000 USDT since the PR introduces tests into the frontend of the application. I checked the total is $500 USDT