Move test to a directory where it is only run whenever we actually have the parallel...

git-svn-id: https://svn.dealii.org/trunk@29896 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/grid/subdomain_id_01.cc b/tests/distributed_grids/subdomain_id_01.cc
similarity index 100%
rename from tests/grid/subdomain_id_01.cc
rename to tests/distributed_grids/subdomain_id_01.cc

diff --git a/tests/grid/subdomain_id_01/cmp/generic b/tests/distributed_grids/subdomain_id_01/cmp/generic
similarity index 100%
rename from tests/grid/subdomain_id_01/cmp/generic
rename to tests/distributed_grids/subdomain_id_01/cmp/generic