public void CollectionMethodsTest()
{
project = new Project <Manager <Mac> >(testName, testList);
Assert.DoesNotThrow(() => project.printProjectTeam());
Assert.AreEqual(project.IsReadOnly, false);
var testManager = new Manager <Mac>("Alexey", new Mac(2015, 50000));
project.Add(testManager);
Assert.AreEqual(4, project.Count());
Assert.IsTrue(project.Contains(testManager));
project.Remove(testManager);
Assert.AreEqual(3, project.Count());
Assert.NotNull(project.GetEnumerator());
project.Clear();
Assert.AreEqual(0, project.Count());
}