[Test/HM] Added a parallel computing test with multi-mesh

ProcessLib/HydroMechanics/Tests.cmake

...chanics/ParallelComputing/SimpleHM/MultiMesh/drainage.prj

...rallelComputing/SimpleHM/MultiMesh/drainage_staggered.prj

...leHM/MultiMesh/drainage_staggered_ts_10_t_10_000000_0.vtu

...leHM/MultiMesh/drainage_staggered_ts_10_t_10_000000_1.vtu

...uting/SimpleHM/MultiMesh/drainage_ts_10_t_10_000000_0.vtu

...uting/SimpleHM/MultiMesh/drainage_ts_10_t_10_000000_1.vtu

.../ParallelComputing/SimpleHM/MultiMesh/geometry_bottom.vtu

...Mesh/geometry_bottom_partitioned_cell_properties_cfg2.bin

...Mesh/geometry_bottom_partitioned_cell_properties_val2.bin

...mpleHM/MultiMesh/geometry_bottom_partitioned_msh_cfg2.bin

...mpleHM/MultiMesh/geometry_bottom_partitioned_msh_ele2.bin

...leHM/MultiMesh/geometry_bottom_partitioned_msh_ele_g2.bin

...mpleHM/MultiMesh/geometry_bottom_partitioned_msh_nod2.bin

...Mesh/geometry_bottom_partitioned_node_properties_cfg2.bin

...Mesh/geometry_bottom_partitioned_node_properties_val2.bin

...cs/ParallelComputing/SimpleHM/MultiMesh/geometry_left.vtu

...tiMesh/geometry_left_partitioned_cell_properties_cfg2.bin

...tiMesh/geometry_left_partitioned_cell_properties_val2.bin

...SimpleHM/MultiMesh/geometry_left_partitioned_msh_cfg2.bin