update signup test

[Akash504-ai]

Added updates to the signup test cases and improved test coverage for authentication flow.

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Project	Deployment	Actions	Updated (UTC)
chat-app	Building	Preview, Comment	May 24, 2026 3:12pm

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: fe4f9cd6-68e3-4aa2-b8ad-3bad4125e669

📥 Commits

Reviewing files that changed from the base of the PR and between d075dfc and 1383606.

📒 Files selected for processing (1)

• backend/test/auth/signup.test.js

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch signup-test-update

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[Akash504-ai]

DD