Test error message

app/controllers/users_controller.rb

@@ -46,7 +46,7 @@ class UsersController < ApplicationController
 private
 
   def format_error_messages
-    errors = @user.errors.to_h
+    errors = @user.errors.to_hash
     @user.errors.clear
     errors.each do |attribute, message|
       @user.errors.add attribute.to_sym, format_error_message(attribute, message)

spec/requests/user_controller_spec.rb

@@ -60,6 +60,7 @@ RSpec.describe UsersController, type: :request do
         it "shows an error if passwords don't match" do
           expect(response).to have_http_status(:unprocessable_entity)
           expect(page).to have_selector("#error-summary-title")
+          expect(page).to have_content("Password confirmation doesn't match Password")
         end
       end
     end