diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3ca11c9..736baaf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,18 +39,18 @@ jobs:
         python -m ruff check .
         python -m black --check .
 
-    - name: Install voici
-      run: pip install .
-
     - name: Install browser
       run: |
         yarn
         yarn playwright install chromium
       working-directory: ui-tests
 
-    - name: Build UI tests
-      run: yarn run build
-      working-directory: ui-tests
+    - name: Install dependencies and build tests
+      run: |
+        python -m pip install .
+        cd ui-tests
+        yarn install --frozen-lockfile
+        yarn run build
 
     - name: Test
       run: yarn run test
@@ -76,3 +76,12 @@ jobs:
       with:
         name: voici-test-report
         path: ui-tests/playwright-report
+
+    - name: Upload voici assests
+      if: failure()
+      uses: actions/upload-artifact@v3
+      with:
+        name: voici-app
+        path: |
+          ui-tests/material
+          ui-tests/lite
diff --git a/ui-tests/playwright.config.js b/ui-tests/playwright.config.js
index 90b7507..832464a 100644
--- a/ui-tests/playwright.config.js
+++ b/ui-tests/playwright.config.js
@@ -1,10 +1,11 @@
 module.exports = {
-  timeout: 240000,
+  timeout: 120000,
   reporter: [[process.env.CI ? 'dot' : 'list'], ['html']],
   use: {
     baseURL: 'http://localhost:8866',
     video: 'retain-on-failure',
   },
+  retries: 2,
   webServer: [
     {
       command: 'yarn start',
diff --git a/ui-tests/tests/voici.test.ts b/ui-tests/tests/voici.test.ts
index 2dbf405..ab0faa9 100644
--- a/ui-tests/tests/voici.test.ts
+++ b/ui-tests/tests/voici.test.ts
@@ -107,8 +107,10 @@ test.describe('Voici Tests', () => {
     await page.waitForTimeout(1000);
 
     expect(await page.screenshot()).toMatchSnapshot('voici-tree-material.png');
+    await page.waitForTimeout(1000);
 
     await widget.click();
+    await page.waitForTimeout(1000);
 
     expect(await page.screenshot()).toMatchSnapshot(
       'voici-subtree-material.png'
diff --git a/ui-tests/tests/voici.test.ts-snapshots/voici-simple-material-linux.png b/ui-tests/tests/voici.test.ts-snapshots/voici-simple-material-linux.png
index c7546f9..729c389 100644
Binary files a/ui-tests/tests/voici.test.ts-snapshots/voici-simple-material-linux.png and b/ui-tests/tests/voici.test.ts-snapshots/voici-simple-material-linux.png differ