diff --git a/.github/workflows/js-tests.yml b/.github/workflows/js-tests.yml
index cd96f8ab..d81201cf 100644
--- a/.github/workflows/js-tests.yml
+++ b/.github/workflows/js-tests.yml
@@ -18,14 +18,14 @@ jobs:
           python-version: "3.11"
       - name: Install dependencies
         run: |
-          npm install
+          npm ci
           python -m pip install .
           python -m pip install jupyterlab
       - name: Install Playwright Browser
-        run: npx playwright install chromium
+        run: npx playwright install-deps chromium
       - name: Run Playwright tests
         run: |
-          npm run start-test-server & npx playwright test
+          npx playwright test
       - uses: actions/upload-artifact@v4
         if: always()
         with:
diff --git a/package.json b/package.json
index 56b1263a..994b7b59 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "build": "esbuild js/widget.js --minify --format=esm --bundle --outdir=src/ipyaladin/static",
     "prepare": "husky install",
     "format": "npx prettier . --write && ruff format",
-    "start-test-server": "python -m jupyter lab --config js/tests/jupyter_server_test_config.py",
+    "start-test-server": "python -m jupyter lab --config js/ui-tests/jupyter_server_test_config.py",
     "python-test": "python -m pytest",
     "js-test": "npm run start-test-server & npx playwright test",
     "update-snapshots": "npx playwright test --update-snapshots"
diff --git a/playwright.config.js b/playwright.config.js
index 09ac926e..1db38573 100644
--- a/playwright.config.js
+++ b/playwright.config.js
@@ -7,12 +7,12 @@ module.exports = {
   ...baseConfig,
   testDir: "./js/ui-tests",
   webServer: {
-    command: "jlpm start",
+    command: "npm run start-test-server",
     url: "http://localhost:8888/lab",
     timeout: 120 * 1000,
     reuseExistingServer: !process.env.CI,
   },
   expect: {
-    toMatchSnapshot: { maxDiffPixelsRatio: 0.02 }, // allow 2% difference on snapshots
+    toMatchSnapshot: { maxDiffPixelRatio: 0.02 }, // allow 2% difference on snapshots
   },
 };