Add UpdatesController#webhook_request

spec/telegram/bot/rspec/integration/poller_spec.rb

@@ -2,4 +2,13 @@ require 'telegram/bot/rspec/integration/poller'
 
 RSpec.describe 'Poller integration spec', telegram_bot: :poller do
   include_examples 'shared integration examples'
+
+  describe '#dispatch' do
+    it 'doesn`t provide webhook_request' do
+      expect(controller_class).to receive(:dispatch).
+        with(bot, hash_including('message')).
+        and_call_original
+      dispatch_message :test
+    end
+  end
 end