public async Task Inclue() { var(b, p, c) = SetHelper.GetBasicData(); var ctx = new Mock <Context>(); ctx.Setup(_ => _.Blogs).Returns(b.Object); ctx.Setup(_ => _.Posts).Returns(p.Object); ctx.Setup(_ => _.Comments).Returns(c.Object); var svc = new Service(ctx.Object); var actual = await svc.UseInclude(); Assert.NotNull(actual); }