public void GivenRootNodesAreSetWhenAddingChildToMotherThenChildWillBeAdded()
{
var newNode = _familyTree.AddChild(FamilyTree.QueenName, ChildName, Gender.Female);
var queenNode = _familyTree.FindByName(FamilyTree.QueenName);
Assert.IsNotNull(newNode);
Assert.AreEqual(newNode.Gender, Gender.Female);
Assert.AreEqual(newNode.Mother, queenNode);
}