public void RemoveNullStudentFromCourseTest()
{
var school = new School();
var csharpCourse = school.RegisterCourse("C# Part 2");
school.RemoveStudentFromCourse(null, csharpCourse);
}
public void RemoveStudentFromCourseTest()
{
var school = new School();
var studentIvan = school.RegisterStudent("Ivan");
var csharpCourse = school.RegisterCourse("C# Part 2");
school.AddStudentToCourse(studentIvan, csharpCourse);
school.RemoveStudentFromCourse(studentIvan, csharpCourse);
}