Reorganise cuprite setup code

spec/system/support/cuprite_helpers.rb

@@ -1,4 +1,18 @@
-module BetterRailsSystemTests
+# frozen_string_literal: true
+
+module CupriteHelpers
+  # Drop #pause anywhere in a test to stop the execution.
+  # Useful when you want to checkout the contents of a web page in the middle of a test
+  # running in a headful mode.
+  def pause
+    page.driver.pause
+  end
+
+  # Drop #debug anywhere in a test to open a Chrome inspector and pause the execution
+  def debug(*args)
+    page.driver.debug(*args)
+  end
+
   # Use our `Capybara.save_path` to store screenshots with other capybara artifacts
   # (Rails screenshots path is not configurable https://github.com/rails/rails/blob/49baf092439fc74fc3377b12e3334c3dd9d0752f/actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb#L79)
   def absolute_image_path
@@ -13,22 +27,3 @@ module BetterRailsSystemTests
     Capybara.using_session(Capybara.last_used_session) { super }
   end
 end
-
-RSpec.configure do |config|
-  config.include BetterRailsSystemTests, type: :system
-
-  # Make urls in mailers contain the correct server host.
-  # It's required for testing links in emails (e.g., via capybara-email).
-  config.around(:each, type: :system) do |ex|
-    was_host = Rails.application.default_url_options[:host]
-    Rails.application.default_url_options[:host] = Capybara.server_host
-    ex.run
-    Rails.application.default_url_options[:host] = was_host
-  end
-
-  # Make sure this hook runs before others
-  config.prepend_before(:each, type: :system) do
-    # Use JS driver always
-    driven_by Capybara.javascript_driver
-  end
-end

spec/system/support/cuprite_setup.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "capybara/cuprite"
 
 Capybara.register_driver(:cuprite) do |app|
@@ -19,20 +21,16 @@ end
 # Configure Capybara to use :cuprite driver by default
 Capybara.default_driver = Capybara.javascript_driver = :cuprite
 
-module CupriteHelpers
-  # Drop #pause anywhere in a test to stop the execution.
-  # Useful when you want to checkout the contents of a web page in the middle of a test
-  # running in a headful mode.
-  def pause
-    page.driver.pause
-  end
-
-  # Drop #debug anywhere in a test to open a Chrome inspector and pause the execution
-  def debug(*args)
-    page.driver.debug(*args)
-  end
-end
-
 RSpec.configure do |config|
   config.include CupriteHelpers, type: :system
+
+  config.prepend_before(:each, type: :system) { driven_by :cuprite }
+
+  # Make sure url helpers in mailers use the Capybara server host.
+  config.around(:each, type: :system) do |example|
+    original_host = Rails.application.default_url_options[:host]
+    Rails.application.default_url_options[:host] = Capybara.server_host
+    example.run
+    Rails.application.default_url_options[:host] = original_host
+  end
 end