Add Unit Testing for url-helpers.ts

[amangalampalli]

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Description of Change

I added a file called url-helpers.test.tsx to add unit tests to the Ferdium codebase.

Motivation and Context

This is one of the first unit tests in a series of strict tests that are useful automatic dependency upgrading and many others.

Screenshots

Checklist

• My pull request is properly named
• The changes respect the code style of the project (npm run prepare-code)
• npm test passes
• I tested/previewed my changes locally

Release Notes

Added unit tests to `url-helpers.tsx`

[vraravam]

@amangalampalli - were you able to proceed further on this?

[amangalampalli]

Really sorry, my final board exam is tomorrow, and I should be able to make more progress on it then, really sorry for any inconvenience!