CI: install chrome with sudo

.github/workflows/python-visualtests.yml

@@ -24,10 +24,10 @@ jobs:
         
     - name: install chrome
       run: |
-        apt-get install -y wget
-        wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
-        && echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list
-        apt-get update && apt-get -y install google-chrome-stable
+        sudo apt-get install -y wget
+        sudo bash -c "wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+            && echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list"
+        sudo apt-get update && sudo apt-get -y install google-chrome-stable
 
     - name: Install py dependencies
       run: |