[lint] fix quotes and require ordering

spec/rails_helper.rb

@@ -21,7 +21,7 @@
 # directory. Alternatively, in the individual `*_spec.rb` files, manually
 # require only the support files necessary.
 #
-Dir[File.join(File.dirname(__FILE__), 'support', '**', '*.rb')].each { |f| require f }
+Dir[File.join(File.dirname(__FILE__), "support", "**", "*.rb")].sort.each { |f| require f }
 
 # Checks for pending migrations before tests are run.
 # If you are not using ActiveRecord, you can remove this line.