public void Constellation_Region_HasSameId()
        {
            var c = Constellations.Get(20000001).Value;

            var r = c.Region();

            c.RegionId.Should().Be(r.Id);
        }
        public void Constellation_SolarSystems_ReturnsNonEmptySequence()
        {
            var c = Constellations.Get(20000001).Value;

            var ss = c.SolarSystems().ToList();

            ss.Should().NotHaveCount(0);
        }