adapt ginkgo block preconditioner test

tests/hyteg/composites/P2P1Stokes3DGinkgoSolveTest.cpp

@@ -113,12 +113,12 @@ void petscSolveTest( std::shared_ptr< gko::Executor > exec,
    std::string precondType;
    if ( blockPreconditionerType == 0 )
    {
-      solver      = std::make_unique< GinkgoBlockSolver< P2P1TaylorHoodStokesOperator > >( storage, level, exec, 2, 1 );
+      solver      = std::make_unique< GinkgoBlockSolver< P2P1TaylorHoodStokesOperator > >( storage, level, exec, 1e-12, 15000, 2, 1 );
       precondType = "velocity AMG, pressure lumped mass";
    }
    else if ( blockPreconditionerType == 1 )
    {
-      solver      = std::make_unique< GinkgoBlockSolver< P2P1TaylorHoodStokesOperator > >( storage, level, exec, 1, 1 );
+      solver      = std::make_unique< GinkgoBlockSolver< P2P1TaylorHoodStokesOperator > >( storage, level, exec, 1e-12, 15000, 1, 1 );
       precondType = "velocity Jacobi, pressure lumped mass";
    }
    else