diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9d09d59412..df088bfe3a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -89,9 +89,67 @@ jobs:
             node-modules-
       - name: Install dependencies
         run: npm install
+      - name: Install Chrome
+        uses: browser-actions/setup-chrome@latest
+        with:
+          chrome-version: stable
       - name: Install Chrome dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libgbm-dev libasound2t64 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 libgbm1
+          sudo apt-get install -y \
+            libgbm-dev \
+            libasound2 \
+            libatk1.0-0 \
+            libc6 \
+            libcairo2 \
+            libcups2 \
+            libdbus-1-3 \
+            libexpat1 \
+            libfontconfig1 \
+            libgcc1 \
+            libgdk-pixbuf2.0-0 \
+            libglib2.0-0 \
+            libgtk-3-0 \
+            libnspr4 \
+            libpango-1.0-0 \
+            libpangocairo-1.0-0 \
+            libstdc++6 \
+            libx11-6 \
+            libx11-xcb1 \
+            libxcb1 \
+            libxcomposite1 \
+            libxcursor1 \
+            libxdamage1 \
+            libxext6 \
+            libxfixes3 \
+            libxi6 \
+            libxrandr2 \
+            libxrender1 \
+            libxss1 \
+            libxtst6 \
+            libgbm1
+      - name: Set Chrome flags
+        run: |
+          echo "CHROME_FLAGS=--enable-features=SharedArrayBuffer,CrossOriginIsolation --enable-experimental-web-platform-features --cross-origin-isolated --allow-file-access-from-files --disable-web-security --allow-insecure-localhost --no-sandbox --disable-setuid-sandbox --enable-unsafe-webgpu --disable-gpu-sandbox" >> $GITHUB_ENV
       - name: Run tests
-        run: npm test
+        env:
+          CHROME_HEADLESS: 1
+          CHROME_PATH: chrome
+        run: |
+          # Start test server with proper headers
+          npm run serve &
+
+          # Wait for server to be ready
+          npx wait-on http://localhost:3000
+
+          # Run tests with configured Chrome flags
+          npx mocha-headless-chrome \
+            --args="$CHROME_FLAGS" \
+            -a no-sandbox \
+            --chrome-path="$(which chrome)" \
+            -f http://localhost:3000/tests/ffmpeg-core-mt.test.html
+
+          # Run remaining tests
+          npm run test:browser:core:st
+          npm run test:browser:ffmpeg:mt
+          npm run test:browser:ffmpeg:st
diff --git a/package.json b/package.json
index f89d63ee6b..d45be4ef06 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,10 @@
     "lint:root": "eslint tests",
     "build": "npm run build --workspace=packages --if-present",
     "pretest": "npm run build",
-    "serve": "http-server -c-1 -s -p 3000 . --cors --headers '{\"Cross-Origin-Embedder-Policy\":\"require-corp\",\"Cross-Origin-Opener-Policy\":\"same-origin\",\"Cross-Origin-Resource-Policy\":\"cross-origin\"}'",
+    "serve": "http-server -c-1 -s -p 3000 . --cors --headers '{\"Cross-Origin-Embedder-Policy\":\"require-corp\",\"Cross-Origin-Opener-Policy\":\"same-origin\",\"Cross-Origin-Resource-Policy\":\"cross-origin\",\"Origin-Agent-Cluster\":\"?1\"}'",
     "test": "server-test test:browser:server 3000 test:all",
     "test:all": "npm-run-all test:browser:*:*",
-    "test:browser": "mocha-headless-chrome --args=\"--enable-features=SharedArrayBuffer --enable-experimental-web-platform-features --cross-origin-isolated --allow-file-access-from-files --disable-web-security --allow-insecure-localhost --no-sandbox --disable-setuid-sandbox\" -a no-sandbox",
+    "test:browser": "mocha-headless-chrome --args=\"$CHROME_FLAGS\" -a no-sandbox",
     "test:browser:core:mt": "npm run test:browser -- -f http://localhost:3000/tests/ffmpeg-core-mt.test.html",
     "test:browser:core:st": "npm run test:browser -- -f http://localhost:3000/tests/ffmpeg-core-st.test.html",
     "test:browser:ffmpeg:mt": "npm run test:browser -- -f http://localhost:3000/tests/ffmpeg-mt.test.html",
@@ -20,8 +20,7 @@
     "test:node:core:mt": "npm run test:node -- --require tests/test-helper-mt.js tests/ffmpeg-core.test.js",
     "test:node:core:st": "npm run test:node -- --require tests/test-helper-st.js tests/ffmpeg-core.test.js",
     "prepublishOnly": "npm run build",
-    "postinstall": "npm run build",
-    "test:environment": "npm run serve & wait-on http://localhost:3000 && mocha-headless-chrome --args=\"--enable-features=SharedArrayBuffer --enable-experimental-web-platform-features --cross-origin-isolated --allow-file-access-from-files\" -a no-sandbox -f http://localhost:3000/tests/environment-check.test.html"
+    "postinstall": "npm run build"
   },
   "workspaces": [
     "packages/*",
diff --git a/tests/environment-check.test.html b/tests/environment-check.test.html
deleted file mode 100644
index 10ca4d9847..0000000000
--- a/tests/environment-check.test.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <title>Environment Check</title>
-    <link rel="stylesheet" href="../node_modules/mocha/mocha.css" />
-  </head>
-  <body>
-    <div id="mocha"></div>
-    <script src="../node_modules/mocha/mocha.js"></script>
-    <script src="../node_modules/chai/chai.js"></script>
-    <script>
-      mocha.setup("bdd");
-      window.expect = chai.expect;
-    </script>
-    <script src="./environment-check.test.js"></script>
-    <script>
-      mocha.run();
-    </script>
-  </body>
-</html>