public void ConvertTeacherIdStringListToIntShouldReturnACorrectList()
{
string teacherIDs = "1,5,9";
var expected = new List <int>
{
1, 5, 9
};
var result = _assignmentsController.ConvertTeacherIdStringListToInt(teacherIDs);
Assert.That(result, Is.EqualTo(expected));
}