public void MyNode_Test_AddConnection_()
{
MyNode <int> n1 = new MyNode <int>(31);
MyNode <int> n2 = new MyNode <int>(32);
Assert.IsTrue(n1.AddConnection(n2));
Assert.IsTrue(n1.NEIGHBORS.Contains(n2));
Assert.IsFalse(n2.NEIGHBORS.Contains(n1));
Assert.IsTrue(n2.AddConnection(n1));
Assert.IsTrue(n1.NEIGHBORS.Contains(n2));
Assert.IsTrue(n2.NEIGHBORS.Contains(n1));
}