public PlannerItemsTestFixture() : base() { TestFixture.AddDefaults(this); var mapperConfig = new MapperConfiguration(c => c.AddProfile(new PlannerItemsMappingProfile())); var mapper = new Mapper(mapperConfig); this.Register <IMapper>(() => mapper); this.AddManyTo(Items, 10); repositoryMock = this.Freeze <Mock <IPlannerItemRepository> >(); repositoryMock .Setup(p => p.GetAll()) .Returns(() => Items.AsAsyncQueryable()); repositoryMock .Setup(m => m.GetByIdAsync(It.IsAny <int>())) .ReturnsAsync(Items.First()); }