Comppletely register new driver

Do not try to inherit from the selenium web driver.
It does not contain all the args we need.

Author: tvdeyen

lib/solidus_dev_support/rspec/capybara.rb

@@ -13,19 +13,17 @@
 Capybara.default_max_wait_time = 10
 Capybara.server = :puma, { Silent: true } # A fix for rspec/rspec-rails#1897
 
-Capybara.drivers[:selenium_chrome_headless].tap do |original_driver|
-  Capybara.register_driver :solidus_chrome_headless do |app|
-    options = Selenium::WebDriver::Chrome::Options.new.tap do |opts|
-      opts.add_argument("--headless=new")
-      opts.add_argument("--disable-gpu")
-      opts.add_argument("--no-sandbox")
-      opts.add_argument("--window-size=#{CAPYBARA_WINDOW_SIZE}")
-      opts.add_argument("--disable-search-engine-choice-screen")
-      opts.add_argument("--disable-backgrounding-occluded-windows")
-      opts.browser_version = CAPYBARA_JAVASCRIPT_DRIVER_VERSION
-    end
-    original_driver.call(app, options: options)
+Capybara.register_driver :solidus_chrome_headless do |app|
+  browser_options = Selenium::WebDriver::Chrome::Options.new.tap do |opts|
+    opts.add_argument("--headless=new")
+    opts.add_argument("--disable-gpu")
+    opts.add_argument("--no-sandbox")
+    opts.add_argument("--window-size=#{CAPYBARA_WINDOW_SIZE}")
+    opts.add_argument("--disable-search-engine-choice-screen")
+    opts.add_argument("--disable-backgrounding-occluded-windows")
+    opts.browser_version = CAPYBARA_JAVASCRIPT_DRIVER_VERSION
   end
+  Capybara::Selenium::Driver.new(app, browser: :chrome, options: browser_options)
 end
 
 require 'capybara-screenshot/rspec'