public void EndAdminsDueToDate_ReturnsCorrect() { // Arrange _repoWrapper .Setup(x => x.RegionAdministration.GetAllAsync(It.IsAny <Expression <Func <RegionAdministration, bool> > >(), It.IsAny <Func <IQueryable <RegionAdministration>, IIncludableQueryable <RegionAdministration, object> > >())) .ReturnsAsync(Admins); _repoWrapper .Setup(x => x.RegionAdministration.Update(It.IsAny <RegionAdministration>())); _repoWrapper .Setup(x => x.SaveAsync()); // Act var result = _regionService.EndAdminsDueToDate(); // Assert _repoWrapper.Verify(); Assert.NotNull(result); }