# File lib/camping-abingo.rb, line 816
          def self.exists?(test_name)
                cache_key = "Abingo::Experiment::exists(#{test_name})".gsub(" ", "_")
                ret = Abingo.cache.fetch(cache_key) do
                  count = ABingoCampingPlugin::Models::Experiment.count(:conditions => {:test_name => test_name})
                  count > 0 ? count : nil
                end
                (!ret.nil?)
          end