diff --git a/test-storybooks/portable-stories-kitchen-sink/nextjs/jest.config.js b/test-storybooks/portable-stories-kitchen-sink/nextjs/jest.config.js
index 3867a50e7bc7..f427b4763dd6 100644
--- a/test-storybooks/portable-stories-kitchen-sink/nextjs/jest.config.js
+++ b/test-storybooks/portable-stories-kitchen-sink/nextjs/jest.config.js
@@ -9,7 +9,7 @@ const createJestConfig = nextJest({
 /** @type {import('jest').Config} */
 const customJestConfig = {
   coverageProvider: 'v8',
-  testEnvironment: 'jsdom',
+  testEnvironment: '@happy-dom/jest-environment',
   // Add more setup options before each test is run
   setupFilesAfterEnv: ['./jest.setup.ts'],
   moduleNameMapper: {
diff --git a/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json b/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
index 9e9b8e0285f8..69722cabd5db 100644
--- a/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
@@ -84,6 +84,7 @@
     "react-dom": "^18.2.0"
   },
   "devDependencies": {
+    "@happy-dom/jest-environment": "^15.11.7",
     "@jest/globals": "^29.7.0",
     "@storybook/addon-actions": "^8.0.0",
     "@storybook/addon-essentials": "^8.0.0",
@@ -101,11 +102,10 @@
     "eslint": "^8.56.0",
     "eslint-plugin-storybook": "^0.6.15",
     "jest": "^29.7.0",
-    "jest-environment-jsdom": "^29.7.0",
     "storybook": "^8.0.0",
     "typescript": "^5.2.2"
   },
   "maintainer_please_read_this": {
     "_": "we use file protocol to make this setup close to real life scenarios as well as avoid issues with duplicated React instances. When you recompile the SB packages, you need to rerun install."
   }
-}
\ No newline at end of file
+}
diff --git a/test-storybooks/portable-stories-kitchen-sink/nextjs/stories/__snapshots__/portable-stories.test.tsx.snap b/test-storybooks/portable-stories-kitchen-sink/nextjs/stories/__snapshots__/portable-stories.test.tsx.snap
index e65b31476609..677e011bb38c 100644
--- a/test-storybooks/portable-stories-kitchen-sink/nextjs/stories/__snapshots__/portable-stories.test.tsx.snap
+++ b/test-storybooks/portable-stories-kitchen-sink/nextjs/stories/__snapshots__/portable-stories.test.tsx.snap
@@ -158,16 +158,16 @@ exports[`renders imageLegacyStories stories renders BlurredAbsolutePlaceholder 1
       Global Decorator
       <br />
       <span
-        style="box-sizing: border-box; display: inline-block; overflow: hidden; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
+        style="box-sizing: border-box; display: inline-block; overflow: hidden; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
       >
         <span
-          style="box-sizing: border-box; display: block; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
+          style="box-sizing: border-box; display: block; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
         >
           <img
             alt=""
             aria-hidden="true"
             src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2750%27%20height=%2750%27/%3e"
-            style="display: block; max-width: 100%; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
+            style="display: block; max-width: 100%; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
           />
         </span>
         <img
@@ -175,7 +175,7 @@ exports[`renders imageLegacyStories stories renders BlurredAbsolutePlaceholder 1
           data-nimg="intrinsic"
           decoding="async"
           src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"
-          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%; background-size: cover; background-position: 0% 0%; filter: blur(20px); background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAABP5JREFUWEeNlwtz2zgMhEGKsv/k9XFp82xe11763yOJVGcXC4m2czM3GYa0E2s/LACSTi+vv1czM/7CvPpqxY/ejPeS3khmFiPHOiVLHKaZi4ux4j18GpMlS6cALupEQBCKQM4BdnGzjIcJgs//QBxAPQAem55f3yL4PWJIdyCyhlMfPdYZot0cwj3Ayg/5JwHA13paen7pADphxr/n5VI8JQsHCCGQ3gVGLLsxQ3h/LYSn5383B05rwNOws3Z576LOTOduvwfrOd5FtVat4akx0uPTrw8BNuUz23vLsY7hmg7i4ipqM2saiAdruNuirh4ff0bNdb3Qy3vkvfAQwrkHoDxTTZtDCOKrC1bMEkdnsQh/PLyetOGHkXeRAgQAQ84efQcBdUhvFofoulpdm9WGGTA+AJEe7l+i37a2c371tCFKs5zzJjxQNBMi1im7OCudP2aNghJuzZaGdSMEZjpwf/t0UgNdg9DOyLGLnY0BUHlzwVtNDkgEQhBeKkb1tUDgQrq7frwAiIJi5BKAeIFgHk5mOpPzvgltOfcoK0Rrs7lWHwsgqtXarK3N0u23h5Ne8+3Cqxn5RYSMfHCAMgDAx4CBWlA9RAGw0GA/ol0gvFB4WjAvBAFUa83SzdUdAbYMqp28uHpxCRefxwAYhksAFBlthxCiXig+zT4TYqkC+Hq7OdAfJv8lPpZiZShWBBIuRP+jspDb2lwcDkzz7OLzbO/zvAHAoXTz5eYMQL0t2yHAiCFcfPY1QDwNFylA5bPoFpsV9fsEiMl8dhcc4PP1CYD3drYcBYdIKQrx0cbRxd2JHSDcQ297/vvoZ5smRC+AyV2AQ+nm03evge08Tyy4jGqXzWWEoIvTgXHU38pWiNgH4ixB/ukAcy/xycXfp4kwdAAAt399W+OCgMjxILQacxvRQ3gEwHgKUIr/rz53CuDFNyP/Eob4+/vEWkBq6AAA/HIi62n/Lk67Q7wDYQ0UpQB7hc54T4E6gACLTYxeAwB0YKZL6U4ATEGIBwCs7qPfQJCCHkCnoK50noJKcXcAojsEAJZZKXhgCoziGKxqWV8IMNp4kP2aC+oB0TMFvhGxDQHQfIPhDrilwKOm/YCZASAHfgBABQjr3f7CyAkA0cPB03AQULRhKd4xAIjzHymo2Gp7gN0FAMAVOoA2fPz03a9ssh/RM7Iz8QKIzYF9HyB0XEZ1xJ4DzNoDOAfAslhDDTyjDfv8A2AcBeCiu/jBHQEgxnYW6Kp6BlCVAkQM8VnieF2Xyr0ivXy+XvsCzKOihwNHCCryw8HrQXVB8dgFeRfAVQiXjMbIIgXINQYB2H7Kf5wF/2Ar7h0AgKKGuAP4zOjhzlkLbpcRXKRZhNUjxG6HIQDOjN47gCn4+fWW3xVS9urPESEEwwHMo9IhAGxS2ISiA1iEnQOoA4hXRAwItp7WzL9Ow18ESJaw/ar4NgeOR49cAHCAnaH8swBhv+6CBGjeBSxEOUAI7HyKHkD4O9xKb3/feQouAI4uLBciHRRHmgbfA7h/xFc9AngNBADthvii1sMOiPwDAFeyt6s7FSFS4PmnA1v0vQvqDqQKAAPE/weAUuEgsj8c+H11Twdw/AKANXA82EDr5cJBEEzB3oI4Mb0AdR3nNw8vQnegWuvqAABwJFJEBwDgNdA7IOs3gL0LhuJdwBY8c4BfNnDdVgooHiOqn/b7JoSW/QODjTHXhU7hMQAAAABJRU5ErkJggg==);"
+          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; border: none none; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%; background-size: cover; background-position: 0% 0%; filter: blur(20px); background-image: url("data:image/png;base64,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");"
         />
         <noscript />
       </span>
@@ -193,16 +193,16 @@ exports[`renders imageLegacyStories stories renders BlurredPlaceholder 1`] = `
       Global Decorator
       <br />
       <span
-        style="box-sizing: border-box; display: inline-block; overflow: hidden; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
+        style="box-sizing: border-box; display: inline-block; overflow: hidden; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
       >
         <span
-          style="box-sizing: border-box; display: block; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
+          style="box-sizing: border-box; display: block; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
         >
           <img
             alt=""
             aria-hidden="true"
             src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"
-            style="display: block; max-width: 100%; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
+            style="display: block; max-width: 100%; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
           />
         </span>
         <img
@@ -210,7 +210,7 @@ exports[`renders imageLegacyStories stories renders BlurredPlaceholder 1`] = `
           data-nimg="intrinsic"
           decoding="async"
           src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"
-          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%; background-size: cover; background-position: 0% 0%; filter: blur(20px); background-image: url(data:image/png;base64,imagedata);"
+          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; border: none none; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%; background-size: cover; background-position: 0% 0%; filter: blur(20px); background-image: url("data:image/png;base64,imagedata");"
         />
         <noscript />
       </span>
@@ -228,16 +228,16 @@ exports[`renders imageLegacyStories stories renders Default 1`] = `
       Global Decorator
       <br />
       <span
-        style="box-sizing: border-box; display: inline-block; overflow: hidden; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
+        style="box-sizing: border-box; display: inline-block; overflow: hidden; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; position: relative; max-width: 100%;"
       >
         <span
-          style="box-sizing: border-box; display: block; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
+          style="box-sizing: border-box; display: block; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px; max-width: 100%;"
         >
           <img
             alt=""
             aria-hidden="true"
             src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"
-            style="display: block; max-width: 100%; background: none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
+            style="display: block; max-width: 100%; width: initial; height: initial; background: none none; opacity: 1; border: 0px; margin: 0px; padding: 0px;"
           />
         </span>
         <img
@@ -245,7 +245,7 @@ exports[`renders imageLegacyStories stories renders Default 1`] = `
           data-nimg="intrinsic"
           decoding="async"
           src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"
-          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%;"
+          style="position: absolute; top: 0px; left: 0px; bottom: 0px; right: 0px; box-sizing: border-box; padding: 0px; border: none none; margin: auto; display: block; width: 0px; height: 0px; min-width: 100%; max-width: 100%; min-height: 100%; max-height: 100%;"
         />
         <noscript />
       </span>
diff --git a/test-storybooks/portable-stories-kitchen-sink/svelte/package.json b/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
index 3ade95a00417..ad5699a549c7 100644
--- a/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
@@ -92,7 +92,7 @@
     "@tsconfig/svelte": "^5.0.2",
     "@types/node": "^22",
     "cypress": "^13.6.6",
-    "jsdom": "^24.0.0",
+    "happy-dom": "^15.11.7",
     "storybook": "8.0.0-rc.2",
     "svelte": "^4.2.11",
     "svelte-check": "^3.6.4",
@@ -101,4 +101,4 @@
     "vite": "^5.1.4",
     "vitest": "^1.6.0"
   }
-}
\ No newline at end of file
+}
diff --git a/test-storybooks/portable-stories-kitchen-sink/svelte/vite.config.ts b/test-storybooks/portable-stories-kitchen-sink/svelte/vite.config.ts
index 161976e6ed91..6e2bef8799d2 100644
--- a/test-storybooks/portable-stories-kitchen-sink/svelte/vite.config.ts
+++ b/test-storybooks/portable-stories-kitchen-sink/svelte/vite.config.ts
@@ -1,11 +1,10 @@
-import { defineConfig } from 'vite'
+import { defineConfig } from 'vitest/config'
 import { svelte } from '@sveltejs/vite-plugin-svelte'
 
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [svelte()],
-  //@ts-ignore
   test: {
-    environment: 'jsdom'
+    environment: 'happy-dom'
   }
 })