added controller test for the app 2FA happy path

Author: Oaphi

test/controllers/users/sessions_controller_test.rb

@@ -28,6 +28,18 @@ class Users::SessionsControllerTest < ActionController::TestCase
     assert @controller.remember_me_is_active?(current_user)
   end
 
+  test 'should redirect users with code-based 2FA to code verification' do
+    pass = 'temp password for testing manual 2FA signin'
+    user = users(:enabled_2fa)
+    user.update!(password: pass)
+
+    post :create, params: { user: { email: user.email, password: pass } }
+
+    assert_response(:found)
+    assert_nil flash[:notice]
+    assert_redirected_to(login_verify_2fa_path(uid: user.id, remember_me: false))
+  end
+
   private
 
   def set_mapping