public void GetPlannedInspectionsGroupedShouldReturnCorrectInspectionsAndGrouped(int festivalId)
{
Festival festival = _modelMocks.Festivals.First(f => f.Id == festivalId);
List <List <PlannedInspection> > expected = _dbMock.Object.PlannedInspections
.Where(pi => pi.Festival.Id == festivalId)
.GroupBy(pi => pi.StartTime).Select(grp => grp.ToList())
.ToList();
List <List <PlannedInspection> > result = _inspectionService.GetPlannedInspectionsGrouped(festival);
Assert.Equal(expected, result);
}