Enable support for rspec --next-failure.

Author: ioquatix

spec/spec_helper.rb

@@ -25,6 +25,9 @@
   config.filter_run_when_matching :focus
 
   config.before(:each) { Grape::Util::InheritableSetting.reset_global! }
+
+  # Enable flags like --only-failures and --next-failure
+  config.example_status_persistence_file_path = ".rspec_status"
 end
 
 require 'coveralls'