test: try to use Anthropic Skills to add tests for web/app/components/apps/ (#29607)

Signed-off-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

web/app/components/apps/empty.spec.tsx

@@ -0,0 +1,60 @@
+import React from 'react'
+import { render, screen } from '@testing-library/react'
+import Empty from './empty'
+
+// Mock react-i18next - return key as per testing skills
+jest.mock('react-i18next', () => ({
+  useTranslation: () => ({
+    t: (key: string) => key,
+  }),
+}))
+
+describe('Empty', () => {
+  beforeEach(() => {
+    jest.clearAllMocks()
+  })
+
+  describe('Rendering', () => {
+    it('should render without crashing', () => {
+      render(<Empty />)
+      expect(screen.getByText('app.newApp.noAppsFound')).toBeInTheDocument()
+    })
+
+    it('should render 36 placeholder cards', () => {
+      const { container } = render(<Empty />)
+      const placeholderCards = container.querySelectorAll('.bg-background-default-lighter')
+      expect(placeholderCards).toHaveLength(36)
+    })
+
+    it('should display the no apps found message', () => {
+      render(<Empty />)
+      // Use pattern matching for resilient text assertions
+      expect(screen.getByText('app.newApp.noAppsFound')).toBeInTheDocument()
+    })
+  })
+
+  describe('Styling', () => {
+    it('should have correct container styling for overlay', () => {
+      const { container } = render(<Empty />)
+      const overlay = container.querySelector('.pointer-events-none')
+      expect(overlay).toBeInTheDocument()
+      expect(overlay).toHaveClass('absolute', 'inset-0', 'z-20')
+    })
+
+    it('should have correct styling for placeholder cards', () => {
+      const { container } = render(<Empty />)
+      const card = container.querySelector('.bg-background-default-lighter')
+      expect(card).toHaveClass('inline-flex', 'h-[160px]', 'rounded-xl')
+    })
+  })
+
+  describe('Edge Cases', () => {
+    it('should handle multiple renders without issues', () => {
+      const { rerender } = render(<Empty />)
+      expect(screen.getByText('app.newApp.noAppsFound')).toBeInTheDocument()
+
+      rerender(<Empty />)
+      expect(screen.getByText('app.newApp.noAppsFound')).toBeInTheDocument()
+    })
+  })
+})