Upgraded Ruby to 2.7.0-preview1 and Rails to 6.0.0 - fixed 1 spec

app/controllers/admin_controller.rb

@@ -34,7 +34,7 @@ class AdminController < ApplicationController
   def update_user
     user = User.find_by_id(params[:admin_id])
     if user
-      user.update_attributes(params[:user].reject { |k| k == ("password" || "password_confirmation") })
+      user.update(params[:user].reject { |k| k == ("password" || "password_confirmation") })
       pass = params[:user][:password]
       user.password = pass if !(pass.blank?)
       user.save!

app/controllers/users_controller.rb

@@ -29,7 +29,7 @@ class UsersController < ApplicationController
     user = User.where("id = '#{params[:user][:id]}'")[0]
 
     if user
-      user.update_attributes(user_params_without_password)
+      user.update(user_params_without_password)
       if params[:user][:password].present? && (params[:user][:password] == params[:user][:password_confirmation])
         user.password = params[:user][:password]
       end