Work around geckodriver 0.22/selenium-webdriver issue with pause durations

lib/capybara.rb

@@ -430,7 +430,6 @@ module Capybara
   require 'capybara/rack_test/css_handlers.rb'
 
   require 'capybara/selenium/node'
-  require 'capybara/selenium/nodes/marionette_node'
   require 'capybara/selenium/driver'
 end
 

lib/capybara/selenium/driver.rb

@@ -28,6 +28,7 @@ class Capybara::Selenium::Driver < Capybara::Driver::Base
         setup_exit_handler
       end
     end
+    @browser
   end
 
   def initialize(app, **options)
@@ -360,6 +361,7 @@ private
     when :chrome
       extend ChromeDriver
     when :firefox
+      require 'capybara/selenium/patches/pause_duration_fix' if sel_driver.capabilities['moz:geckodriverVersion']&.start_with?('0.22.')
       extend MarionetteDriver if sel_driver.capabilities.is_a?(::Selenium::WebDriver::Remote::W3C::Capabilities)
     end
   end

lib/capybara/selenium/patches/pause_duration_fix.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module PauseDurationFix
+  def encode
+    super.tap { |output| output[:duration] ||= 0 }
+  end
+end
+
+if defined?(::Selenium::WebDriver::Interactions::Pause)
+  ::Selenium::WebDriver::Interactions::Pause.prepend PauseDurationFix
+end