diff --git a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_compare_ogs5.prj b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_compare_ogs5.prj
index 252a9baedb3a29bc67bf3d19d0b56fa166fad10a..3a2866e9937c95411e8ac7014180276ed40316f3 100644
--- a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_compare_ogs5.prj
+++ b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_compare_ogs5.prj
@@ -125,7 +125,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>richards_pcs_{:process_id}</prefix>
+            <prefix>richards</prefix>
             <timesteps>
                 <!-- only output last timestep -->
                 <pair>
diff --git a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_large.prj b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_large.prj
index 53c9caff5b96c0d74c9278fc80391b8c4742c22a..1bacbc1aa7eefdc692dbe4a6f854de1c201a19b5 100644
--- a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_large.prj
+++ b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_large.prj
@@ -125,7 +125,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>richards_pcs_{:process_id}</prefix>
+            <prefix>richards</prefix>
             <timesteps>
                 <!-- only output last timestep -->
                 <pair>
diff --git a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small.prj b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small.prj
index b55f11e1708a6e6b03cc631e41311952907c08e1..6753e5d6cad8f25275bb0ecc8af0f15d983e3155 100644
--- a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small.prj
+++ b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small.prj
@@ -125,7 +125,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>richards_pcs_{:process_id}</prefix>
+            <prefix>richards</prefix>
             <timesteps>
                 <pair>
                     <repeat>1</repeat>
diff --git a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small_iteration_adaptive_dt.prj b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small_iteration_adaptive_dt.prj
index 8dea836837f5bfceaccbebb63d2b95bb5d711e81..ac669b7efca8309bcf19cac27df2ef30233d5586 100644
--- a/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small_iteration_adaptive_dt.prj
+++ b/Tests/Data/Parabolic/Richards/RichardsFlow_2d_small_iteration_adaptive_dt.prj
@@ -108,7 +108,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>2D_RichardsFlow_h_us_quad_small_iteration_adaptive_dt_pcs_{:process_id}</prefix>
+            <prefix>2D_RichardsFlow_h_us_quad_small_iteration_adaptive_dt</prefix>
             <timesteps>
                 <pair>
                     <repeat>10000000</repeat>
diff --git a/Tests/Data/Parabolic/Richards/flow_fully_saturated.prj b/Tests/Data/Parabolic/Richards/flow_fully_saturated.prj
index 3f6222d66dd003adc4c9f3636887a921e4e91e13..2b413b64ca8073d88386b40dcc5c8951b69dc5f9 100644
--- a/Tests/Data/Parabolic/Richards/flow_fully_saturated.prj
+++ b/Tests/Data/Parabolic/Richards/flow_fully_saturated.prj
@@ -114,7 +114,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>flow_fully_saturated_pcs_{:process_id}</prefix>
+            <prefix>flow_fully_saturated</prefix>
             <timesteps>
                 <pair>
                     <repeat>10000</repeat>
@@ -191,13 +191,13 @@
     </linear_solvers>
     <test_definition>
         <vtkdiff>
-            <regex>flow_fully_saturated_pcs_0_ts_.*.vtu</regex>
+            <regex>flow_fully_saturated_ts_.*.vtu</regex>
             <field>pressure</field>
             <absolute_tolerance>1e-9</absolute_tolerance>
             <relative_tolerance>0</relative_tolerance>
         </vtkdiff>
         <vtkdiff>
-            <regex>flow_fully_saturated_pcs_0_ts_.*.vtu</regex>
+            <regex>flow_fully_saturated_ts_.*.vtu</regex>
             <field>darcy_velocity</field>
             <absolute_tolerance>1e-11</absolute_tolerance>
             <relative_tolerance>1e-15</relative_tolerance>