users: sign-in after confirming an account within a short time

spec/support/feature_helpers.rb

@@ -1,4 +1,6 @@
 module FeatureHelpers
+  include ActiveJob::TestHelper
+
   def login_admin
     user = create :user
     login_as user, scope: :user
@@ -20,6 +22,22 @@ module FeatureHelpers
     fill_in :user_password, with: password
     click_on 'Se connecter'
   end
+
+  def sign_up_with(email, password = 'testpassword')
+    fill_in :user_email, with: email
+    fill_in :user_password, with: password
+
+    perform_enqueued_jobs do
+      click_button 'Créer un compte'
+    end
+  end
+
+  def click_confirmation_link_for(email)
+    confirmation_email = open_email(email)
+    token_params = confirmation_email.body.match(/confirmation_token=[^"]+/)
+
+    visit "/users/confirmation?#{token_params}"
+  end
 end
 
 RSpec.configure do |config|