public void GetInternshipPeriodShouldReturnTheCorrectPeriod(string period, InternshipPeriod expectedPeriod)
{
var model = GetAddAssignmentModel();
model.InternshipPeriod = period;
var result = _assignmentsController.GetInterschipPeriode(model);
Assert.That(result, Is.EqualTo(expectedPeriod));
}