Test: Added test cases for textarea , tabs , table.tsx

Description:

Added comprehensive unit test cases for textarea.tsx, tabs.tsx, and table.tsx components to improve test coverage and ensure reliable behavior. The tests cover component rendering, user interactions, data handling, and edge cases such as empty states.

All tests are passing successfully, and full coverage has been achieved for the targeted UI components.

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Coverage Report:

All Files: 56.71% Statements | 0% Branch | 72.22% Functions | 64.4% Lines

components/ui

• table.tsx : 100%
• tabs.tsx  : 100%
• textarea.tsx : 100%

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Type of Change:

• Bug Fix
• Feature Development
• Test cases
• Documentation

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Testing:

• Tested on desktop
• Tested on mobile
• Tested in different browsers

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Screenshots (if applicable):

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Checklist:

• Code follows project style guidelines
• Self-review completed
• No console errors
• TypeScript types are correct

Closes #281 (closed)