public void RemoveEntrant()
{
Univercity U = new Univercity("test");
IStudent entrant1 = new Student(new FullName("test", "test", "test"), new DateTime(2000, 12, 14));
IStudent entrant2 = new Student(new FullName("test", "test", "test"), new DateTime(2000, 12, 14));
string id1 = entrant2.Id.ToString();
int result = 1;
U.AddStudent(entrant1);
U.AddStudent(entrant2);
U.RemoveStudent(id1);
CollectionAssert.Contains(U.Students, entrant1);
CollectionAssert.DoesNotContain(U.Students, entrant2);
Assert.AreEqual(U.Students.Count, result);
}
