Unit tests for the notifications page

[cck181851]

Corresponding issue

PR NAME

Description

Added comprehensive unit tests for the notifications page component to ensure reliability and catch regressions. The tests cover all major functionality including rendering, authentication flows, notification display, filtering capabilities, and user interactions.

Changes Made

• Created comprehensive test suite with 12 test cases
• Added proper mocking for React Query, API calls, and React Router
• Implemented tests for authentication flow (redirect, loading states)
• Added tests for notification data display and statistics
• Implemented tab filtering functionality tests
• Added user interaction tests (click handlers, modal opening)

Features

• Basic component rendering and structure validation
• Authentication flow testing (redirects, loading states)
• Notification data display with proper statistics
• Tab-based filtering (All/Unread/Read notifications)
• User interaction testing (mark as read, delete, open modal)
• Error state handling

API Endpoints

No new API endpoints

Testing

12 comprehensive test cases covering all major functionality

• Tests run successfully with npm test
• All tests pass with 100% success rate
  Uses custom renderWithProviders for proper context setup
• Includes async testing for user interactions

Dependencies

No new dependencies

Checklist

• My code follows style guidelines
• I have performed self-review
• I have commented complex code
• My changes generate no new warnings
• Any dependent changes have been merged

[cck181851]

Since we have almost run out of time, I am merging this PR.