fix linting

spec/spec_helper.rb

@@ -23,7 +23,7 @@
 # directory. Alternatively, in the individual `*_spec.rb` files, manually
 # require only the support files necessary.
 #
-Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+Rails.root.glob('spec/support/**/*.rb').each { |f| require f }
 
 # Checks for pending migration and applies them before tests are run.
 # If you are not using ActiveRecord, you can remove this line.