Restrict GridTools::Cache tests using Zoltan

diff --git a/tests/grid/grid_tools_cache_08.mpirun=1.output b/tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=1.output
similarity index 100%
rename from tests/grid/grid_tools_cache_08.mpirun=1.output
rename to tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=1.output

diff --git a/tests/grid/grid_tools_cache_08.mpirun=2.output b/tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=2.output
similarity index 100%
rename from tests/grid/grid_tools_cache_08.mpirun=2.output
rename to tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=2.output

diff --git a/tests/grid/grid_tools_cache_08.mpirun=4.output b/tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=4.output
similarity index 100%
rename from tests/grid/grid_tools_cache_08.mpirun=4.output
rename to tests/grid/grid_tools_cache_08.with_trilinos_with_zoltan=true.mpirun=4.output

diff --git a/tests/grid/grid_tools_cache_09.mpirun=1.output b/tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=1.output
similarity index 100%
rename from tests/grid/grid_tools_cache_09.mpirun=1.output
rename to tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=1.output

diff --git a/tests/grid/grid_tools_cache_09.mpirun=2.output b/tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=2.output
similarity index 100%
rename from tests/grid/grid_tools_cache_09.mpirun=2.output
rename to tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=2.output

diff --git a/tests/grid/grid_tools_cache_09.mpirun=4.output b/tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=4.output
similarity index 100%
rename from tests/grid/grid_tools_cache_09.mpirun=4.output
rename to tests/grid/grid_tools_cache_09.with_trilinos_with_zoltan=true.mpirun=4.output