Merge pull request #529 from amatsuda/TOPLEVEL_method

Don't define a method on TOPLEVEL while testing

spec/rails_helper.rb

@@ -60,7 +60,8 @@
 
   config.after(:each, js: true) do |example|
     if example.exception
-      save_timestamped_screenshot(Capybara.page)
+      screenshot_path = Rails.root.join("tmp/screenshots", "#{method_name}-#{Time.zone.now.strftime("%Y_%m_%d-%H_%M_%S")}.png")
+      Capybara.page.save_screenshot(screenshot_path)
     end
   end
 
@@ -78,11 +79,3 @@
     driven_by :selenium, using: :headless_chrome, screen_size: [1400, 1400]
   end
 end
-
-def save_timestamped_screenshot(page)
-  timestamp = Time.zone.now.strftime("%Y_%m_%d-%H_%M_%S")
-  filename = "#{method_name}-#{timestamp}.png"
-  screenshot_path = Rails.root.join("tmp", "screenshots", filename)
-
-  page.save_screenshot(screenshot_path)
-end