# File lib/camping-abingo.rb, line 788
          def cache_keys
          [" Abingo::Experiment::exists(#{test_name})".gsub(" ", "_"),
                "Abingo::Experiment::#{test_name}::alternatives".gsub(" ","_"),
                "Abingo::Experiment::short_circuit(#{test_name})".gsub(" ", "_")
          ]
          end