message: use larger example
diff: @@ -81,8 +81,8 @@ protected:
  void initialize_data()
  {
  - int m = 10;
  - int n = 5;
  + int m = 597;
  + int n = 43;
  preconditioner = gen_mtx(m, m);
  x = gen_mtx(m, n);
  y = gen_mtx(gko::solver::default_krylov_dim, n);
  