test tweak

test/application_system_test_case.rb

@@ -9,6 +9,7 @@ def setup
     Capybara.app_host = "http://#{IPSocket.getaddress(Socket.gethostname)}" if ENV["SELENIUM_SERVER"].present?
     Capybara.default_max_wait_time = 5
     Capybara.save_path = "tmp/test-screenshots"
+    Capybara.default_driver = :selenium
 
     super
 
@@ -18,13 +19,15 @@ def setup
 
   selenium_remote_url = "http://#{ENV.fetch('SELENIUM_SERVER')}:4444"
 
-  driven_by :selenium, using: :headless_chrome, screen_size: [1400, 1400] do |chrome_options|
-    chrome_options.add_argument('--disable-gpu')
-    chrome_options.add_argument('--no-sandbox')
-    chrome_options.add_argument('--disable-dev-shm-usage')
+  driven_by :selenium, 
+      using: :headless_chrome, 
+      screen_size: [1400, 1400] do |driver_option|
+    driver_option.add_argument('--disable-gpu')
+    driver_option.add_argument('--no-sandbox')
+    driver_option.add_argument('--disable-dev-shm-usage')
 
     # Add preferences
-    chrome_options.add_preference(:download, {
+    driver_option.add_preference(:download, {
       prompt_for_download: false,
       default_directory: File.join(Rails.root, 'tmp')
     })
@@ -34,7 +37,7 @@ def setup
       Capybara::Selenium::Driver.new(app,
         browser: :remote,
         url: selenium_remote_url,
-        options: chrome_options
+        options: driver_option
       )
     end
   end