public void TestInitialize()
        {
            var ninja        = NinjaUtils.SetNinja("the ninja", new List <NinjaEquipment>(), true, new DateTime(1982, 4, 23));
            var anotherNinja = NinjaUtils.SetNinja("another ninja", new List <NinjaEquipment>(), false, new DateTime(1950, 10, 28));

            _ninjas = new List <Ninja>()
            {
                ninja, anotherNinja
            };
        }