public void CutGraphTest()
{
var connector = new GraphManager(connectionsList, elementsList);
connector.Cut(elementsList[0], elementsList[1]);
Assert.IsFalse(connectionsList[0].Connected);
Assert.AreEqual(3, elementsList[0].TaxonNumber);
Assert.AreEqual(1, elementsList[1].TaxonNumber);
Assert.AreEqual(2, elementsList[4].TaxonNumber);
Assert.AreEqual(2, elementsList[5].TaxonNumber);
}