public void EquipmentManager_GetEquipmentSchedule() { EquipmentAccessor.Arrange(x => x.GetEquipmentSchedule(Arg.IsAny <long>())) .Returns(Task.FromResult(Enumerable.Empty <EquipmentSchedule>())) .OccursOnce(); var res = manager.GetEquipmentSchedule(5).Result; Assert.IsNotNull(res); EquipmentAccessor.Assert(); }