manually create a chromedriver session with curl

.github/workflows/rubyonrails.yml

@@ -39,9 +39,14 @@ jobs:
       - name: Start chromedriver
         run: |
           set -x
-          touch ~/chromedriver.log
-          chromedriver --url-base=/wd/hub | sudo tee -a ~/chromedriver.log &
+          mkdir -p tmp/screenshots
+          touch tmp/screenshots/chromedriver.log
+          chromedriver --url-base=/wd/hub | sudo tee -a tmp/screenshots/chromedriver.log &
           bin/lib/wait-for-it.sh localhost:9515 -- echo "Chromedriver is up!"
+          curl -i -XPOST http://localhost:9515/wd/hub/session \
+            -H 'Content-Type: application/json' \
+            -d '{"desiredCapabilities":{"browserName":"chrome"}}'
+          
           # sudo Xvfb -ac :99 -screen 0 1280x1024x24 > /dev/null 2>&1 & # optional
 
       - uses: ruby/setup-ruby@v1