[CTest/THM] Add mini-benchmark1 of FE task force

ProcessLib/ThermoHydroMechanics/Tests.cmake

...ata/ThermoHydroMechanics/HeatingHomogeneousDomain/hex.vtu

...ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj

...ics/HeatingHomogeneousDomain/hex_ts_5_t_864000.000000.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/x0.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/x1.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/y0.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/y1.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/z0.vtu

...Data/ThermoHydroMechanics/HeatingHomogeneousDomain/z1.vtu