diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
index 60b7edf423ec0dc37c04acd0b8398dfdab646bbc..ddd47f50be59f245f2893b3e639398dba2f6972d 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e1.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
index 343e86632811fd99d8345cec984181725ec41703..2c6bd4db80d26e5cbfe9a8b4fdcd3c2e5c29d2b2 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e2.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
index 116a0a7ed92d7b4935d0a44a4eb85af434c40532..baf84d6027f20f3ed3e9e6a528d2068d7f07f1e3 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e3.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
index 83bdb773c85ac72fc57914ede94e8f70ea285e5a..83f73af533164242de650ba03d29e2745472ef27 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e4.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
index 7ba48d8c3d12d9e226a66f3541af04dc11fea0f7..fc71fcfc8eb8a76267062d39eddaada9c785e16d 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e5.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
index 225c687b1ea748a51df38741dc4275a2ababaf43..a867099f82d9afbea1c0a101962089a02448c428 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
@@ -3,17 +3,7 @@
     <mesh axially_symmetric="true">line_1_lines_1e6.vtu</mesh>
     <geometry>circle_1_axi.gml</geometry>
     <processes>
-        <process>
-            <name>SteadyStateDiffusion</name>
-            <type>STEADY_STATE_DIFFUSION</type>
-            <integration_order>2</integration_order>
-            <process_variables>
-                <process_variable>pressure</process_variable>
-            </process_variables>
-            <secondary_variables>
-                <secondary_variable internal_name="darcy_velocity" output_name="v"/>
-            </secondary_variables>
-        </process>
+        <include file="../cube_1x1x1_SteadyStateDiffusion/SteadyStateDiffusion.xml" />
     </processes>
     <media>
         <medium id="0">