📦 Add @storybook/test

Author: totase

package-lock.json

@@ -29,6 +29,7 @@
     "@storybook/addon-interactions": "^8.5.1",
     "@storybook/react": "^8.5.1",
     "@storybook/react-vite": "^8.5.1",
+    "@storybook/test": "^8.5.3",
     "@types/react": "^19.0.7",
     "@types/react-dom": "^19.0.3",
     "@typescript-eslint/parser": "^8.20.0",