test01 mg_cycles with MG_NO_TOL
test02 mg_tol
test03 mg_prerelax, mg_postrelax
test04 degree=4, CG_SOLVER
test05 degree=4, mg_[pre|post]relax_ho, CG_SOLVER
test06 CG_SOLVER, MG_PRECONDITIONER
test07 GMRES_SOLVER, MG_PRECONDITIONER
test08 degree=4, hbmg solver
test09 conventional communication
test10 conventional communication, degree=4
