[CTest/THM] Enabled parallel running of mini-benchmark1 of FE task force

ProcessLib/ThermoHydroMechanics/Tests.cmake

...rmoHydroMechanics/HeatingHomogeneousDomain/copied_hex.vtu

...ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj

...s/HeatingHomogeneousDomain/hex_ts_5_t_864000_000000_0.vtu

...s/HeatingHomogeneousDomain/hex_ts_5_t_864000_000000_1.vtu

...s/HeatingHomogeneousDomain/hex_ts_5_t_864000_000000_2.vtu

...oned_mesh/copied_hex_partitioned_cell_properties_cfg3.bin

...oned_mesh/copied_hex_partitioned_cell_properties_val3.bin

...main/partitioned_mesh/copied_hex_partitioned_msh_cfg3.bin

...main/partitioned_mesh/copied_hex_partitioned_msh_ele3.bin

...in/partitioned_mesh/copied_hex_partitioned_msh_ele_g3.bin

...main/partitioned_mesh/copied_hex_partitioned_msh_nod3.bin

...oned_mesh/copied_hex_partitioned_node_properties_cfg3.bin

...oned_mesh/copied_hex_partitioned_node_properties_val3.bin

...partitioned_mesh/hex_partitioned_cell_properties_cfg3.bin

...partitioned_mesh/hex_partitioned_cell_properties_val3.bin

...neousDomain/partitioned_mesh/hex_partitioned_msh_cfg3.bin

...neousDomain/partitioned_mesh/hex_partitioned_msh_ele3.bin

...ousDomain/partitioned_mesh/hex_partitioned_msh_ele_g3.bin

...neousDomain/partitioned_mesh/hex_partitioned_msh_nod3.bin