private void SetMockManagers() { MockManagers = new Mock <DbSet <Manager> >().SetupData(ManagerData.Data()); MockManagers.Setup(x => x.Find(It.IsAny <object[]>())).Returns <object[]>(ids => ManagerData.Data().FirstOrDefault(d => d.ManagerId == (int)ids[0])); MockManagers.Setup(x => x.FindAsync(It.IsAny <object[]>())).Returns <object[]>(ids => Task.FromResult(ManagerData.Data().FirstOrDefault(d => d.ManagerId == (int)ids[0]))); MockContext.Setup(x => x.Managers).Returns(MockManagers.Object); }