public void WrongTypeObjectTest()
{
var graph = new Graph();
var tuple2 = new Tuple2();
// Wrong type Sets should be accepted as elements
graph.VerticesSet.Add(tuple2);
Assert.IsInstanceOfType(graph.VerticesSet.Enumerable.First(), typeof(Tuple2));
Assert.IsTrue(tuple2.Equals(graph.VerticesSet.Enumerable.First()));
}
