[T/Data] Fix RichardsFlow test.

To fit the new naming scheme it was necessary to:
- rename bulk mesh and some output files,
- change the name of the geometry, and
- change the project file.

ProcessLib/RichardsMechanics/Tests.cmake

@@ -183,8 +183,8 @@ AddTest(
     GLOB RichardsFlow_2d_small_pcs_0_ts_*.vtu velocity velocity 1e-15 1e-15
     GLOB RichardsFlow_2d_small_pcs_0_ts_*.vtu HydraulicFlow HydraulicFlow 1e-13 0
     GLOB RichardsFlow_2d_small_pcs_0_ts_*.vtu NodalForces NodalForces 1e-9 0
-    GLOB Richards_2d_geometry_OBSERVATION_POINT_pcs_0_ts_*.vtu displacement displacement 2e-14 0
-    GLOB Richards_2d_geometry_OBSERVATION_POINT_pcs_0_ts_*.vtu pressure pressure 1e-7 1e-15
+    GLOB RichardsFlow_2d_geometry_OBSERVATION_POINT_pcs_0_ts_*.vtu displacement displacement 2e-14 0
+    GLOB RichardsFlow_2d_geometry_OBSERVATION_POINT_pcs_0_ts_*.vtu pressure pressure 1e-7 1e-15
 )
 AddTest(
     NAME RichardsMechanics_RichardsFlow_2d_small_masslumping