add CookieHelper and InputHelper automatically to :js tests

spec/features/boards/boards_spec.rb

 require 'rails_helper'
 describe 'Issue Boards', :js do
-  include CookieHelper
   include DragTo
   let(:group) { create(:group, :nested) }

spec/features/issues/filtered_search/visual_tokens_spec.rb

 require 'rails_helper'
 describe 'Visual tokens', :js do
-  include CookieHelper
   include FilteredSearchHelpers
-  include WaitForRequests
   let!(:project) { create(:project) }
   let!(:user) { create(:user, name: 'administrator', username: 'root') }

spec/features/issues/gfm_autocomplete_spec.rb

 require 'rails_helper'
 feature 'GFM autocomplete', :js do
-  include InputHelper
-
   let(:user)    { create(:user, name: '💃speciąl someone💃', username: 'someone.special') }
   let(:project) { create(:project) }
   let(:label) { create(:label, project: project, title: 'special+') }

spec/features/merge_requests/diff_notes_avatars_spec.rb

 require 'spec_helper'
 feature 'Diff note avatars', :js do
-  include CookieHelper
   include NoteInteractionHelpers
   let(:user)          { create(:user) }

spec/features/merge_requests/user_posts_diff_notes_spec.rb

 require 'spec_helper'
 feature 'Merge requests > User posts diff notes', :js do
-  include CookieHelper
   include MergeRequestDiffHelpers
   let(:user) { create(:user) }

spec/features/projects/ref_switcher_spec.rb

 require 'rails_helper'
 feature 'Ref switcher', :js do
-  include CookieHelper
-
   let(:user)      { create(:user) }
   let(:project)   { create(:project, :public, :repository) }

spec/features/projects/tree/create_directory_spec.rb

 require 'spec_helper'
 feature 'Multi-file editor new directory', :js do
-  include CookieHelper
-  include WaitForRequests
-
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository) }

spec/features/projects/tree/create_file_spec.rb

 require 'spec_helper'
 feature 'Multi-file editor new file', :js do
-  include CookieHelper
-  include WaitForRequests
-
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository) }

spec/features/projects/tree/upload_file_spec.rb

 require 'spec_helper'
 feature 'Multi-file editor upload file', :js do
-  include CookieHelper
-  include WaitForRequests
-
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository) }
   let(:txt_file) { File.join(Rails.root, 'spec', 'fixtures', 'doc_sample.txt') }

spec/spec_helper.rb

@@ -48,6 +48,8 @@ RSpec.configure do |config|
   config.include Warden::Test::Helpers, type: :request
   config.include LoginHelpers, type: :feature
   config.include SearchHelpers, type: :feature
+  config.include CookieHelper, :js
+  config.include InputHelper, :js
   config.include WaitForRequests, :js
   config.include StubConfiguration
   config.include EmailHelpers, :mailer, type: :mailer