public void PlaneBuilderBuildsProperPlaneTest()
{
var plane = new PlaneBuilder();
var result = plane.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);
}