add shopify rubocop

spec/rails_helper.rb

@@ -1,10 +1,11 @@
+# frozen_string_literal: true
 # This file is copied to spec/ when you run 'rails generate rspec:install'
-require 'spec_helper'
-ENV['RAILS_ENV'] ||= 'test'
-require File.expand_path('../config/environment', __dir__)
+require "spec_helper"
+ENV["RAILS_ENV"] ||= "test"
+require File.expand_path("../config/environment", __dir__)
 # Prevent database truncation if the environment is production
 abort("The Rails environment is running in production mode!") if Rails.env.production?
-require 'rspec/rails'
+require "rspec/rails"
 # Add additional requires below this line. Rails is not loaded until this point!
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
@@ -28,12 +29,12 @@ begin
   ActiveRecord::Migration.maintain_test_schema!
 rescue ActiveRecord::PendingMigrationError => e
   puts e.to_s.strip
-  exit 1
+  exit(1)
 end
 RSpec.configure do |config|
-    config.before(:each, type: :system) do
-      driven_by :rack_test
-    end
+  config.before(:each, type: :system) do
+    driven_by :rack_test
+  end
 
   # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
   config.fixture_path = "#{::Rails.root}/spec/fixtures"