     static var allTests: [(String, (DecodableTest) -> () throws -> Void)] {
         return [
             ("testPerson", testPerson),
-//            ("testPerformanceByPersons", testPerformanceByPersons),
+            ("testPerformanceByPersons", testPerformanceByPersons),
             ("testGroup", testGroup),
             ("testDecodeArray", testDecodeArray),
             ("testDecodeDictionary", testDecodeDictionary),

            _ = try? [Person].decode(peopleJSON)
        }
    }
#endif

    func testGroup() {
        var JSON: JSONDictionary = [ "name": "Himotoki", "floor": 12 ]

        }
    }

    func testPerformanceByPersons() {
        let peopleJSON = Array(repeating: personJSON, count: 500)

