Rerender if wrong credentials

app/controllers/users/sessions_controller.rb

@@ -31,8 +31,7 @@ class Users::SessionsController < Devise::SessionsController
       redirect_to after_sign_in_path_for(:user)
     else
       flash.alert = 'Mauvais couple login / mot de passe'
-      new
-      render :new, status: 401
+      render :new, assigns: { user: User.new }
     end
   end
 

spec/controllers/users/sessions_controller_spec.rb

@@ -44,7 +44,7 @@ describe Users::SessionsController, type: :controller do
       it 'fails to sign in with bad credentials' do
         subject
 
-        expect(response.unauthorized?).to be(true)
+        expect(response).to render_template(:new)
         expect(controller.current_user).to be(nil)
       end
     end