test(e2e): Add sign up flow tests

[octoper]

Description

This PR adds a test suite for Sign Up flow, also a lot of helpers for sign up page object has been added.

Checklist

• [ ] npm test runs as expected.
• [ ] npm run build runs as expected.
• [ ] (If applicable) JSDoc comments have been added or updated for any package exports
• [ ] (If applicable) Documentation has been updated

Type of change

• [ ] 🐛 Bug fix
• [ ] 🌟 New feature
• [ ] 🔨 Breaking change
• [ ] 📖 Refactoring / dependency upgrade / documentation
• [ ] other:

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 11f987444d204f11d492089f8a30bb3bd454224f

The changes in this PR will be included in the next version bump.

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