public void AddCommandByType_CommandNotNull_LocatorWasCalled()
        {
            bool wasCalled = false;

            _locator.GetCommand <IWaitableCommand>().Returns(_waitableCommand);
            _locator.When(locator => locator.GetCommand <TestWaitableCommand>()).Do(info => wasCalled = true);
            _macroCommand.AddCommand <TestWaitableCommand>();
            Assert.IsTrue(wasCalled);
        }