message: minor changes according to review
diff: @@ -34,6 +34,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #include <fstream>
  +#include <memory>
  #include <string>
  @@ -127,11 +128,6 @@ TEST_F(ParIlu, OmpKernelComputeNnzLUEquivalentToRef)
  compute_nnz(&l_nnz_ref, &u_nnz_ref, &l_nnz_omp, &u_nnz_omp);
  - // gko::kernels::reference::par_ilu_factorization::compute_nnz_l_u(
  - // ref, gko::lend(csr_ref), &l_nnz_ref, &u_nnz_ref);
  - // gko::kernels::omp::par_ilu_factorization::compute_nnz_l_u(
  - // ref, gko::lend(csr_omp), &l_nnz_omp, &u_nnz_omp);
  -
  ASSERT_EQ(l_nnz_omp, l_nnz_ref);
  ASSERT_EQ(u_nnz_omp, u_nnz_ref);
  }
  