public void FourGeneratesLikeZip(
[Seed] int seed,
[Size] int size,
[PickGen] GalaxyCheck.IGen <object> gen)
{
List <(object, object, object, object)> SampleTraversal(GalaxyCheck.IGen <(object, object, object, object)> gen) =>
gen.SampleOneTraversal(seed: seed, size: size);
var gen0 = gen.Four();
var gen1 = GalaxyCheck.Gen.Zip(gen, gen, gen, gen);
SampleTraversal(gen0).Should().BeEquivalentTo(SampleTraversal(gen1));
}
