[Remove Vuetify from Studio] Convert 'Create an account' unit tests to Vue Testing Library

[abhiraj75]

Refactored the accounts/pages/tests/create.spec.js test suite to use Vue Testing Library (VTL) and align tests with real user interactions instead of component internals.

The new tests focus on core user workflows:

Visiting the Create Account page

Interacting with form fields and checkboxes

Submitting the form with missing data

Handling URL-prefilled email values

Tests that depend on Vuetify-specific components (e.g. dropdowns) are explicitly skipped with clear comments, following Testing Library principles and keeping the suite resilient ahead of the planned Vuetify removal.

Manual verification

Ran the updated test suite locally using pnpm test accounts/pages/tests/create.spec.js (from the frontend folder)

Verified all non-skipped tests pass

Confirmed skipped tests are documented and justified

No UI layout or visual changes were made.

References

Closes #5633

Refactors: accounts/pages/tests/create.spec.js

Reviewer guidance

To review:

Navigate to accounts/pages/tests/create.spec.js

Verify tests:

Use @testing-library/vue

Follow Testing Library query priority (roles, labels)

Describe behavior from a user’s point of view

Run:

pnpm test accounts/pages/tests/create.spec.js (from the frontend folder)

Notes for reviewers

Skipped tests are intentional and documented due to known limitations with Vuetify components in VTL

No production code was changed

This PR is scoped strictly to test refactoring, per the issue’s out-of-scope requirements

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[abhiraj75]

Some submission-related tests are intentionally skipped due to current Vuetify components (v-select / v-autocomplete) not being reliably testable with userEvent, I’ve added inline notes for re-enabling them after the migration.

Could you please confirm if this approach aligns with expectations, or if you’d prefer a different way of handling the skipped workflows? Thanks!