Fix syntax error

azure-pipelines.yml

@@ -95,15 +95,15 @@ jobs:
       path: node_modules
     displayName: Cache node modules
   - script: yarn --frozen-lockfile
-  - run: |
+    displayName: 'Install dependencies and build'
+  - script: |
       sudo apt-get update
       sudo apt-get install -y libgtk-3-0 libdbus-glib-1-2 xvfb
       sudo cp build/azure-pipelines/linux/xvfb.init /etc/init.d/xvfb
       sudo chmod +x /etc/init.d/xvfb
       sudo update-rc.d xvfb defaults
       sudo service xvfb start
-    name: Install firefox dependencies
-    displayName: 'Install dependencies and build'
+    displayName: Install firefox dependencies
   - script: |
       yarn start &
       sleep 10