public void BikeBuilderBuildsProperBikeTest() { var bike = new BikeBuilder(); var result = bike.SetProductionYear(1997) .SetBrand("Audi") .SetKerbWeight(1000) .SetColor(Color.Pink) .SetMaxVelosity(300) .Build(); Assert.AreEqual(1997, result.ProductionYear); Assert.AreEqual("Audi", result.Brand); Assert.AreEqual(1000, result.KerbWeight); Assert.AreEqual(Color.Pink, result.Color); Assert.AreEqual(300, result.MaxVelocity); }