Unit testing Cmdlet-derived classes

    [Test]
        public void Exemplary_Cmdlet_Test() {

            var fileInteractorMock = new Mock<IFileInteractor>();
            fileInteractorMock.Setup(m => m.CreateDirectory(null)).Throws<ArgumentNullException>();

            var logger = new SimpleLogger();

            var fileManager = new InvocationFileManager(logger, fileInteractorMock.Object);

            var parser = new InvokeCvApiParameterParser(fileInteractorMock.Object, fileManager, logger);

            var testBLContextProvider = new Mock<IContextProvider>();

            var cmdlet = new InvokeCVApiCommand(testBLContextProvider.Object, fileManager, logger, parser) {
                FunctionFilePath = "fakePath",
                OutputFolder = "fakeOutputFolder"
            };

            var results = cmdlet.Invoke().OfType<string>().ToList();
            Assert.That(results[0] == "success");
        }