Unit testing Ninject Composition Root

[TestClass]
    public class WhenInitializingCompositionRoot
    {
        public void CheckTypes(params Type[] typesToCheck)
        {
            var settings = new Mock<ISettings>();
            settings.Setup(x => x.GetSetting(SettingsKeys.ElasticsearchConnectionString)).Returns("http://dummy.com");
            settings.Setup(x => x.GetSetting(SettingsKeys.PaymentsAzureStorageConnectionString)).Returns("DefaultEndpointsProtocol=https;AccountName=fakeaccount;AccountKey=0tsE60UFQfQEZIqCpYJQmN2p11vkfOdEp6a8PSWjJML25v1VJkH5MnpLO1s0iZau7KZAJ0ODa+jRjZGlLjUOfg==");
            settings.Setup(x => x.GetSetting(SettingsKeys.NotificationsStorageConnectionString)).Returns("DefaultEndpointsProtocol=https;AccountName=fakeaccount;AccountKey=0tsE60UFQfQEZIqCpYJQmN2p11vkfOdEp6a8PSWjJML25v1VJkH5MnpLO1s0iZau7KZAJ0ODa+jRjZGlLjUOfg==");

            var connection = new Mock<IConnectionMultiplexer>();
            connection.Setup(x => x.GetDatabase(-1, null)).Returns(new Mock<IDatabase>().Object);

            var kernel = ParkingApi.CompositionRoot.Initialize(settings.Object, connection.Object, connection.Object, connection.Object);

            var types = Assembly
                .GetAssembly(typeof(ParkingApi.CompositionRoot))
                .GetTypes()
                .Where(x => typesToCheck.Any(x.InheritsOrImplements))
                .ToArray();

            foreach (var item in types)
            {
                Assert.IsNotNull(kernel.GetService(item));
            }
        }

        [TestMethod]
        public void ControllerDependenciesAreBound()
        {
            CheckTypes(typeof(Controller), typeof(ApiController));
        }

        [TestMethod]
        public void MediatrHandlersAreBound()
        {
            CheckTypes(typeof(IRequestHandler<,>), typeof(IAsyncRequestHandler<,>));
        }
    }