tuple2Roundtrip :: TestTree
tuple2Roundtrip = roundTripTest defSpec
    { testName = "2-tuple"
    , testType = Proxy :: Proxy (Integer, Integer) }
tuple2Roundtrip :: TestTree
tuple2Roundtrip = roundTripTest defSpec
    { testName = "2-tuple"
    , testType = Proxy :: Proxy (Integer, Integer) }
tuple2Roundtrip = roundTripTest defSpec
    { testName = "2-tuple"
    , testType = Proxy :: Proxy (Integer, Integer) }