public void DriftingAtProjectionsObstructionsTest_CalculateDriftLength_Success()
{
var building = BuildingImplementation.CreateBuilding();
var driftingAtProjectionsObstructions = new DriftingAtProjectionsObstructions(building, 4);
driftingAtProjectionsObstructions.CalculateDriftLength();
Assert.AreEqual(8, Math.Round(driftingAtProjectionsObstructions.DriftLength, 3),
"Drift length for roof is not calculated properly.");
}
