E2E Tests for Notifications Flow

[Josue19-08]

🔖 Title

E2E Tests for Notifications Flow

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📄 Description

Create end-to-end integration tests for the notifications system including listing, filtering, and marking as read. Use test database for state validation. This issue can be completed independently once issues #60 and #61 are implemented.

Related to: Meta-issue #68

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✅ Tasks to complete

• Test listing all notifications (GET /notifications)
• Test filtering notifications by unread status
• Test pagination of notifications
• Test unread count in response
• Test marking individual notification as read (PATCH /notifications/:id/read)
• Test marking all notifications as read (PATCH /notifications/read-all)
• Test complete flow: trigger events → list → mark read → verify count
• Test validation errors (non-existent ID, wrong user)
• Test ownership validation (cannot read other users' notifications)
• Verify database state changes after marking as read
• Clean up test data after tests

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📚 Documentation/context for AI

(This link never should removed)
https://github.com/TrustUp-app/TrustUp-API/tree/main/docs

Relevant documentation:

• https://github.com/TrustUp-app/TrustUp-API/blob/main/docs/development/testing-structure.md
• https://github.com/TrustUp-app/TrustUp-API/blob/main/docs/architecture/database-schema.md

Dependencies:

• Issue User Notifications List Endpoint #60 (List notifications) must be implemented
• Issue Mark Notifications as Read Endpoints #61 (Mark as read) must be implemented

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🗒️ Additional notes

Acceptance Criteria:

• All E2E tests pass
• Notification filtering works correctly
• Unread count updates after marking as read
• Ownership validation prevents unauthorized access
• Database state is correctly updated
• Test data is cleaned up

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