Use selenium-webdriver `exectue_cdp` method if it exists

lib/capybara/selenium/driver_specializations/chrome_driver.rb

@@ -90,9 +90,13 @@ private
   end
 
   def execute_cdp(cmd, params = {})
-    args = { cmd: cmd, params: params }
-    result = bridge.http.call(:post, "session/#{bridge.session_id}/goog/cdp/execute", args)
-    result['value']
+    if browser.respond_to? :execute_cdp
+      browser.execute_cdp(cmd, params)
+    else
+      args = { cmd: cmd, params: params }
+      result = bridge.http.call(:post, "session/#{bridge.session_id}/goog/cdp/execute", args)
+      result['value']
+    end
   end
 
   def build_node(native_node, initial_cache = {})

spec/spec_helper.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'rspec/expectations'
-require 'webdrivers' if ENV['CI']
+require 'webdrivers' if ENV['CI'] || ENV['WEBDRIVERS']
 require 'selenium_statistics'
 if ENV['TRAVIS']
   require 'coveralls'