message: fix ISAI test include
diff: @@ -49,9 +49,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #include <ginkgo/core/preconditioner/ilu.hpp>
  +#include "core/preconditioner/isai_kernels.hpp"
  #include "core/test/utils.hpp"
  #include "matrices/config.hpp"
  -#include "reference/preconditioner/isai_kernels.cpp"
  namespace {
  