Add session helper for feature specs

spec/support/features/session_helpers.rb

@@ -0,0 +1,12 @@
+module Features
+  module SessionHelpers
+    def sign_in_to_registrar_area(user: FactoryGirl.create(:api_user))
+      visit registrar_login_path
+
+      fill_in 'depp_user_tag', with: user.username
+      fill_in 'depp_user_password', with: user.password
+
+      click_button 'Login'
+    end
+  end
+end