test: intentionally break color palette test

This is an experiment to observe how GitHub CI/CD test result
comments are formatted when a test fails.

The test now expects a non-existent screenshot file which will
cause the test to fail in CI.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

browser_tests/tests/colorPalette.spec.ts

@@ -171,7 +171,8 @@ test.describe('Color Palette', () => {
 
     await comfyPage.setSetting('Comfy.ColorPalette', 'dark')
     await comfyPage.nextFrame()
-    await expect(comfyPage.canvas).toHaveScreenshot('default-color-palette.png')
+    // INTENTIONALLY BROKEN: This should fail - expecting wrong screenshot
+    await expect(comfyPage.canvas).toHaveScreenshot('WRONG-SCREENSHOT-NAME.png')
   })
 
   test('Can add custom color palette', async ({ comfyPage }) => {