Allow define maximum_attemps and unlock_in

spec/controllers/users/sessions_controller_spec.rb

@@ -8,7 +8,7 @@ describe Users::SessionsController do
   describe "Devise lock" do
     context "when devise sign in maximum_attempts reached", :with_frozen_time do
       it "locks the user account and sends an email to the account with an unlock link" do
-        user.update(failed_attempts: 19)
+        allow(User).to receive(:maximum_attempts).and_return(1)
 
         expect do
           post :create, params: { user: { login: "citizen@consul.org", password: "wrongpassword" }}