public void Should_return_Zero_for_Advances_Selector_when_Income_is_1000_and_Advances_Taxing_is_False() { IEnginesHistory <ITaxingEngine> engines = TaxingEnginesHistory.CreateEngines(); ITaxingEngine engine = engines.ResolveEngine(testPeriod); bool testAdvancesTaxing = false; decimal testIncome = 1000m; decimal resultValue = engine.AdvancesTaxSelector(testPeriod, testAdvancesTaxing, testIncome); Assert.AreEqual(0, resultValue); }