private async void BeUniqueByExternalId_Update_Not_Exists()
        {
            Mock <IChainRepository> chainRepository = new Mock <IChainRepository>();

            chainRepository.Setup(x => x.ByExternalId(It.IsAny <Guid>())).Returns(Task.FromResult <Chain>(null));
            var validator = new ApiChainRequestModelValidator(chainRepository.Object);

            await validator.ValidateUpdateAsync(default(int), new ApiChainRequestModel());

            validator.ShouldNotHaveValidationErrorFor(x => x.ExternalId, Guid.Parse("8420cdcf-d595-ef65-66e7-dff9f98764da"));
        }
        public async void ChainStatusId_Update_Valid_Reference()
        {
            Mock <IChainRepository> chainRepository = new Mock <IChainRepository>();

            chainRepository.Setup(x => x.ChainStatusByChainStatusId(It.IsAny <int>())).Returns(Task.FromResult <ChainStatus>(new ChainStatus()));

            var validator = new ApiChainRequestModelValidator(chainRepository.Object);
            await validator.ValidateUpdateAsync(default(int), new ApiChainRequestModel());

            validator.ShouldNotHaveValidationErrorFor(x => x.ChainStatusId, 1);
        }
        public async void TeamId_Create_Valid_Reference()
        {
            Mock <IChainRepository> chainRepository = new Mock <IChainRepository>();

            chainRepository.Setup(x => x.TeamByTeamId(It.IsAny <int>())).Returns(Task.FromResult <Team>(new Team()));

            var validator = new ApiChainRequestModelValidator(chainRepository.Object);
            await validator.ValidateCreateAsync(new ApiChainRequestModel());

            validator.ShouldNotHaveValidationErrorFor(x => x.TeamId, 1);
        }