Fix Rails/RootPathnameMethods cop

spec/rails_helper.rb

@@ -21,7 +21,7 @@
 # run twice. It is recommended that you do not name files matching this glob to
 # end with _spec.rb. You can configure this pattern with the --pattern
 # option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
-Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+Rails.root.glob('spec/support/**/*.rb').each { |f| require f }
 
 # Checks for pending migrations before tests are run.
 # If you are not using ActiveRecord, you can remove this line.

spec/support/sphinx_helpers.rb

@@ -6,6 +6,6 @@ def index
   end
 
   def index_finished?
-    Dir[Rails.root.join(ThinkingSphinx::Test.config.indices_location, '*.{new,tmp}*')].empty?
+    Rails.root.glob("#{ThinkingSphinx::Test.config.indices_location}/*.{new,tmp}*").empty?
   end
 end