public void LeaveCourse_TestAddThreeStudentsAndLeaveOne()
{
School telerikAcademy = new School();
Student nakov = new Student("Svetlin Nakov", 12345, telerikAcademy);
Student doncho = new Student("Doncho Minkov", 23456, telerikAcademy);
Student niki = new Student("Nikolay Kostov", 34567, telerikAcademy);
Course qpc = new Course();
qpc.JoinToCourse(nakov);
qpc.JoinToCourse(doncho);
qpc.JoinToCourse(niki);
qpc.LeaveCourse(nakov);
Assert.AreEqual(2, qpc.CourseStudents.Count, "Wrong number of students in studentsList");
}
