[rb] modified code for delete cookie

Author: rpallavisharma

rb/lib/selenium/webdriver/remote/bridge.rb

@@ -385,7 +385,7 @@ def add_cookie(cookie)
         end
 
         def delete_cookie(name)
-          raise Error::ArgumentError, 'Cookie name cannot be null or empty' if name.nil? || name.empty?
+          raise ArgumentError, 'Cookie name cannot be null or empty' if name.nil? || name.empty?
           execute :delete_cookie, name: name
         end
 

rb/spec/integration/selenium/webdriver/manager_spec.rb

@@ -244,7 +244,7 @@ module WebDriver
 
         it 'throws error when cookie name is empty string' do
           expect { driver.manage.delete_cookie('') }
-            .to raise_exception(Error::ArgumentError)
+            .to raise_exception(ArgumentError)
         end
 
         it 'deletes all' do