One-Click Timezone Update - Integration Tests
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Test 1: Template contains required UI elements
  ✓ Template has timezoneChangeNotification div
  ✓ Template has warning notification styling
  ✓ Template has Update Timezone button
  ✓ Template uses primary button styling

Test 2: JavaScript implementation is correct
  ✓ Template uses fetch API
  ✓ Template sends JSON data
  ✓ Template has error handling
  ✓ Template shows error alerts
  ✓ Template shows success feedback
  ✓ Template auto-redirects after success

Test 3: CSRF protection is implemented
  ✓ Template includes CSRF token
  ✓ Template sends CSRF token in header

Test 4: Timezone normalization works with common timezone labels
  ✓ Timezone 'Eastern Time (ET)' normalizes to 'America/New_York'
  ✓ Timezone 'ET' normalizes to 'America/New_York'
  ✓ Timezone 'EST' normalizes to 'America/New_York'
  ✓ Timezone 'Central Time (CT)' normalizes to 'America/Chicago'
  ✓ Timezone 'PST' normalizes to 'America/Los_Angeles'
  ✓ Timezone 'UTC' normalizes to 'UTC'
  ✓ Timezone 'GMT' normalizes to 'UTC'

Test 5: Route configuration supports both API and regular calls
  ✓ Main route exists
  ✓ Route uses correct controller
  ✓ Route requires authentication

Test 6: Backward compatibility maintained
  ✓ Existing suppress warning route still exists
  ✓ Template preserves manual change option
  ✓ Suppress warning checkbox still exists

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Summary: 25 passed, 0 failed
🎉 All integration tests passed!

Feature Summary:
✅ One-click timezone update button added
✅ AJAX implementation with proper error handling
✅ CSRF protection integrated
✅ Timezone normalization supported
✅ Success feedback and auto-redirect
✅ Manual option preserved for backward compatibility
✅ All existing functionality maintained