public async void GetExternalServiceByName_ReturnNull()
        {
            var externalServiceService = new ExternalServiceService(_externalServiceRepository.Object, _secretVault.Object);
            var externalService        = await externalServiceService.GetExternalServiceByName("vstsBuild");

            Assert.Null(externalService);
        }
        public async void GetExternalServiceByName_ReturnItem()
        {
            var externalServiceService = new ExternalServiceService(_externalServiceRepository.Object, _secretVault.Object);
            var entity = await externalServiceService.GetExternalServiceByName("Github-Default");

            Assert.NotNull(entity);
            Assert.Equal(1, entity.Id);
            _secretVault.Verify(s => s.Get("Github-Default", It.IsAny <CancellationToken>()), Times.Once);
        }