public void WalksAreComparedBasedOnTheirLength()
{
var shortPath = new List <Town> {
new Town(0, 0),
new Town(10, 0),
new Town(10, 10),
new Town(0, 10)
};
var longPath = new List <Town> {
new Town(0, 0),
new Town(100, 0),
new Town(100, 10),
new Town(0, 100)
};
var shortWalk = new Walk(shortPath);
var longWalk = new Walk(longPath);
shortWalk.CompareTo(longWalk).Should().Be(-1);
}