Drop the integration tests code, update the CI

- The code has been moved to a separate GitHub repository
  https://github.com/agama-project/integration-tests
- Update the CI accordingly

.github/workflows/ci-integration-tests.yml

@@ -28,6 +28,17 @@ jobs:
         fetch-depth: 0
         fetch-tags: true
 
+    - name: Checkout integration tests
+      uses: actions/checkout@v4
+      with:
+        path: integration-tests
+        repository: ${{ github.repository_owner }}/integration-tests
+        fetch-depth: 1
+
+    - name: Build integration test
+      run: npm ci && ESLINT=0 npm run build
+      working-directory: ./integration-tests
+
     - name: Created shared YaST log directory
       run: mkdir -p /tmp/log/YaST2 /tmp/log/puppeteer
 
@@ -71,16 +82,10 @@ jobs:
     - name: Run the Agama smoke test
       run:  podman exec agama curl http://localhost
 
-    - name: Run the Puppeteer tests
-      # update the test file and the runner script from git
-      run:  podman exec agama bash -c
-            "cp /checkout/puppeteer/tests/test_root_password.js /usr/share/agama/integration-tests/tests &&
-            cp /checkout/puppeteer/agama-integration-tests /usr/bin/agama-integration-tests"
-
     - name: Run the Puppeteer tests
       # run the test
       run:  podman exec agama bash -c "cd /var/log/puppeteer &&
-            agama-integration-tests /usr/share/agama/integration-tests/tests/test_root_password.js"
+            node --enable-source-maps /checkout/integration-tests/dist/test_root_password.js"
 
     - name: Again show the D-Bus services log
       # run even when any previous step fails