Update output variables section in ThermoHydroMechanics prj files

Tests/Data/ThermoHydroMechanics/1D_freezing_column_Stefan/Stefan_problem.prj

@@ -272,6 +272,7 @@
             <variables>
                 <variable> temperature </variable>
                 <variable> heat_flux </variable>
+                <variable>HeatFlowRate</variable>
             </variables>
             <suffix>_ts_{:timestep}_t_{:time}</suffix>
         </output>

Tests/Data/ThermoHydroMechanics/A2/A2.prj

@@ -219,6 +219,9 @@
                 <variable>sigma</variable>
                 <variable>epsilon</variable>
                 <variable>velocity</variable>
+                <variable>HeatFlowRate</variable>
+                <variable>MassFlowRate</variable>
+                <variable>NodalForces</variable>
             </variables>
         </output>
     </time_loop>

Tests/Data/ThermoHydroMechanics/A2/A2_heating.prj

@@ -178,6 +178,9 @@
                 <variable>sigma</variable>
                 <variable>epsilon</variable>
                 <variable>velocity</variable>
+                <variable>HeatFlowRate</variable>
+                <variable>MassFlowRate</variable>
+                <variable>NodalForces</variable>
             </variables>
         </output>
     </time_loop>

Tests/Data/ThermoHydroMechanics/Linear/HeatTransportInStationaryFlow/HeatTransportInStationaryFlow.prj

@@ -149,7 +149,9 @@
             </timesteps>
             <variables>
                 <variable>temperature</variable>
+                <variable>temperature_interpolated</variable>
                 <variable>pressure</variable>
+                <variable>pressure_interpolated</variable>
                 <variable>velocity</variable>
             </variables>
             <suffix>_ts_{:timestep}_t_{:time}</suffix>

Tests/Data/ThermoHydroMechanics/Linear/Point_injection/pointheatsource_quadratic-mesh.prj

@@ -154,7 +154,9 @@
             <variables>
                 <variable>displacement</variable>
                 <variable>pressure</variable>
+                <variable>pressure_interpolated</variable>
                 <variable>temperature</variable>
+                <variable>temperature_interpolated</variable>
                 <variable>sigma</variable>
                 <variable>epsilon</variable>
             </variables>