test: Add tests for Booker component

[hariombalhara]

What does this PR do?

• Adds reusable mocks for various dependencies of Booker.tsx
• Adds few tests for Booker
  • Dry Run Message verification
  • Invalidate schedule happens when doing 'Cancel' on booking form
  • Slot no longer available case verification

Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).
• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox.
• I confirm automated tests are in place that prove my fix is effective or that my feature works.

How should this be tested?

yarn test Booker.test.tsx

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
2 out of 3 committers have signed the CLA.

✅ Udit-takkar
✅ ThyMinimalDev
❌ Hariom Balhara

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[github-actions]

Hey there and thank you for opening this pull request! 👋🏼

We require pull request titles to follow the Conventional Commits specification and it looks like your proposed title needs to be adjusted.

Details:

No release type found in pull request title "Add tests booker". Add a prefix to indicate what kind of release this pull request corresponds to. For reference, see https://www.conventionalcommits.org/

Available types:
 - feat: A new feature
 - fix: A bug fix
 - docs: Documentation only changes
 - style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
 - refactor: A code change that neither fixes a bug nor adds a feature
 - perf: A code change that improves performance
 - test: Adding missing tests or correcting existing tests
 - build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
 - ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
 - chore: Other changes that don't modify src or test files
 - revert: Reverts a previous commit

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[graphite-app]

Graphite Automations

"Add consumer team as reviewer" took an action on this PR • (02/25/25)

1 reviewer was added to this PR based on Keith Williams's automation.

"Add foundation team as reviewer" took an action on this PR • (02/25/25)

1 reviewer was added to this PR based on Keith Williams's automation.

[ThyMinimalDev]

looks good

The base branch was changed.

[github-actions]

E2E results are ready!

• Workflow #52769.2 latest results