Enable persistance file for rspec

.gitignore

@@ -26,3 +26,5 @@ test/dummy/log/*.log*
 test/dummy/tmp/
 test/dummy/.sass-cache
 test/dummy/test/fixtures/*.y*ml
+
+rspec-persistance.txt

spec/spec_helper.rb

@@ -46,6 +46,8 @@ support_files.each {|f| require f }
 require fixture_builder_file
 
 RSpec.configure do |config|
+  config.example_status_persistence_file_path = "spec/rspec-persistance.txt"
+
   config.infer_spec_type_from_file_location!
 
   config.render_views