public void Test3()
{
var graph = new Graph();
var algo = new SmallestFirst();
graph.Vertices.Add(new Vertex(0));
graph.Vertices.Add(new Vertex(1));
graph.Vertices.Add(new Vertex(2));
graph.Vertices[2].Neighbors.Add(graph.Vertices[0]);
graph.Vertices[2].Neighbors.Add(graph.Vertices[1]);
Assert.Equal(1, algo.GetFreeColorGreedily(graph.Vertices[2]));
}
