execute parallelamgtest also for multiple ranks
In the current master the AMG fails when executed with multiple ranks. This MR adds the parameters MPI_RANKS and TIMEOUT to the dune_add_test, such that the failure is also detected by the CI.
In the current master the AMG fails when executed with multiple ranks. This MR adds the parameters MPI_RANKS and TIMEOUT to the dune_add_test, such that the failure is also detected by the CI.