test it up

app/models/application_record.rb

@@ -1,3 +1,7 @@
 class ApplicationRecord < ActiveRecord::Base
   self.abstract_class = true
+
+  def to_i
+    id
+  end
 end

test/test_helper.rb

@@ -1,8 +1,15 @@
 ENV['RAILS_ENV'] ||= 'test'
+# require 'single_cov'
+# SingleCov.setup :minitest
 require File.expand_path('../../config/environment', __FILE__)
 require 'rails/test_help'
+require "minitest/autorun"
+require 'minitest/reporters'
+Minitest::Reporters.use! [Minitest::Reporters::DefaultReporter.new(color: true)]
 
 class ActiveSupport::TestCase
+  ActiveRecord::Migration.check_pending!
+
   # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
   fixtures :all