diff --git a/test/multidomain/facet/1p_1p/analytical/CMakeLists.txt b/test/multidomain/facet/1p_1p/analytical/CMakeLists.txt
index 0ecd2202e359260598429cbc88916ed3d54c2952..63064c09e8ae5bbe0d1316c2546509fb74bffce3 100644
--- a/test/multidomain/facet/1p_1p/analytical/CMakeLists.txt
+++ b/test/multidomain/facet/1p_1p/analytical/CMakeLists.txt
@@ -1,32 +1,24 @@
-dune_symlink_to_source_files(FILES "grids" "facetcoupling_1p1p.input" "convergencetest.py")
+dune_symlink_to_source_files(FILES "grids" "params.input" "convergencetest.py")
 
-# executable for tpfa tests
-add_executable(test_facetcoupling_tpfa_1p1p EXCLUDE_FROM_ALL test_facetcoupling_fv_1p1p.cc)
-target_compile_definitions(test_facetcoupling_tpfa_1p1p PUBLIC BULKTYPETAG=OnePBulkTpfa LOWDIMTYPETAG=OnePLowDimTpfa)
-
-# exectuable for box tests
-add_executable(test_facetcoupling_box_1p1p EXCLUDE_FROM_ALL test_facetcoupling_fv_1p1p.cc)
-target_compile_definitions(test_facetcoupling_box_1p1p PUBLIC BULKTYPETAG=OnePBulkBox LOWDIMTYPETAG=OnePLowDimBox)
-
-dune_add_test(NAME test_facet_1p1p_tpfa_convergence
+dune_add_test(NAME test_md_facet_1p1p_tpfa_convergence
               CMAKE_GUARD "( dune-foamgrid_FOUND AND dune-alugrid_FOUND AND gmsh_FOUND AND HAVE_UMFPACK )"
-              TARGET test_facetcoupling_tpfa_1p1p
+              SOURCES main.cc
+              COMPILE_DEFINITIONS BULKTYPETAG=OnePBulkTpfa LOWDIMTYPETAG=OnePLowDimTpfa
               COMMAND ./convergencetest.py
-              CMD_ARGS test_facetcoupling_tpfa_1p1p 1e-4)
+              CMD_ARGS test_md_facet_1p1p_tpfa_convergence 1e-4)
 
-dune_add_test(NAME test_facet_1p1p_box_convergence
+dune_add_test(NAME test_md_facet_1p1p_box_convergence
               CMAKE_GUARD "( dune-foamgrid_FOUND AND dune-alugrid_FOUND AND gmsh_FOUND AND HAVE_UMFPACK )"
-              TARGET test_facetcoupling_box_1p1p
+              SOURCES main.cc
+              COMPILE_DEFINITIONS BULKTYPETAG=OnePBulkBox LOWDIMTYPETAG=OnePLowDimBox
               COMMAND ./convergencetest.py
-              CMD_ARGS test_facetcoupling_box_1p1p 1e-4)
-
-set(CMAKE_BUILD_TYPE Release)
+              CMD_ARGS test_md_facet_1p1p_box_convergence 1e-4 )
 
 #install sources
 install(FILES
-test_facetcoupling_fv_1p1p.cc
-bulkProblem.hh
-lowdimproblem.hh
+main.cc
+problem_bulk.hh
+problem_lowdim.hh
 spatialparams.hh
 convergencetest.py
 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dumux/test/multidomain/facet/1p_1p/analytical)
diff --git a/test/multidomain/facet/1p_1p/analytical/convergencetest.py b/test/multidomain/facet/1p_1p/analytical/convergencetest.py
index 9fd5be22c73945669bcb07994210d647b323756b..d99bde806f334c180779be90aa82eaadb1dcda30 100755
--- a/test/multidomain/facet/1p_1p/analytical/convergencetest.py
+++ b/test/multidomain/facet/1p_1p/analytical/convergencetest.py
@@ -50,7 +50,8 @@ for permIndex in range(0, len(k)):
         tmpGeoFile.close()
 
         subprocess.call(['gmsh', '-2', 'grids/tmp.geo'])
-        subprocess.call(['./' + execName, 'facetcoupling_1p1p.input',
+        subprocess.call(['./' + execName, 'params.input',
+                                          '-Vtk.OutputName', execName,
                                           '-Grid.File', 'grids/tmp.msh',
                                           '-Grid.NumElemsPerSide', str(int(cells)),
                                           '-LowDim.SpatialParams.Permeability', str(k[permIndex]),
diff --git a/test/multidomain/facet/1p_1p/analytical/test_facetcoupling_fv_1p1p.cc b/test/multidomain/facet/1p_1p/analytical/main.cc
similarity index 99%
rename from test/multidomain/facet/1p_1p/analytical/test_facetcoupling_fv_1p1p.cc
rename to test/multidomain/facet/1p_1p/analytical/main.cc
index 39490ae7dc12cbe9bbc0f9499624000b2cc0a94f..85cd06a63bb1338e69fd1c7cfcb29b643163595c 100644
--- a/test/multidomain/facet/1p_1p/analytical/test_facetcoupling_fv_1p1p.cc
+++ b/test/multidomain/facet/1p_1p/analytical/main.cc
@@ -28,8 +28,8 @@
 #include <dune/common/parallel/mpihelper.hh>
 #include <dune/geometry/quadraturerules.hh>
 
-#include "bulkproblem.hh"
-#include "lowdimproblem.hh"
+#include "problem_bulk.hh"
+#include "problem_lowdim.hh"
 
 #include <dumux/common/properties.hh>
 #include <dumux/common/parameters.hh>
@@ -266,7 +266,7 @@ int main(int argc, char** argv) try
     bulkGridVariables->init(x[bulkId]);
     lowDimGridVariables->init(x[lowDimId]);
 
-    // intialize the vtk output module
+    // intialize the vtk output modulell
     const auto bulkDM = BulkFVGridGeometry::discMethod == DiscretizationMethod::box ? Dune::VTK::nonconforming : Dune::VTK::conforming;
     using BulkSolutionVector = std::decay_t<decltype(x[bulkId])>;
     using LowDimSolutionVector = std::decay_t<decltype(x[lowDimId])>;
diff --git a/test/multidomain/facet/1p_1p/analytical/facetcoupling_1p1p.input b/test/multidomain/facet/1p_1p/analytical/params.input
similarity index 82%
rename from test/multidomain/facet/1p_1p/analytical/facetcoupling_1p1p.input
rename to test/multidomain/facet/1p_1p/analytical/params.input
index 2fb1db270257a82af2967c27c53f0f0095d46f0a..685fa4492401d3aa6fba14a00c5eaf1371aba687 100644
--- a/test/multidomain/facet/1p_1p/analytical/facetcoupling_1p1p.input
+++ b/test/multidomain/facet/1p_1p/analytical/params.input
@@ -8,12 +8,12 @@ NumElemsPerSide = 25
 File = ./grids/hybridgrid.msh
 
 [Bulk]
-Problem.Name = 1p_1p_bulk
 SpatialParams.Permeability = 1
+Problem.Name = bulk
 
 [LowDim]
 SpatialParams.Permeability = 1e4
-Problem.Name = 1p_1p_lowdim
+Problem.Name = lowdim
 
 [L2Error]
 QuadratureOrder = 1
@@ -23,3 +23,6 @@ NumericDifference.BaseEpsilon = 1e10
 
 [Output]
 EnableVTK = false # do not write .vtk files per default
+
+[Vtk]
+OutputName = test_md_facet_1p1p
diff --git a/test/multidomain/facet/1p_1p/analytical/bulkproblem.hh b/test/multidomain/facet/1p_1p/analytical/problem_bulk.hh
similarity index 95%
rename from test/multidomain/facet/1p_1p/analytical/bulkproblem.hh
rename to test/multidomain/facet/1p_1p/analytical/problem_bulk.hh
index eac60f6c71720406f31313bcc7fe0544ab21f7b8..be62c14f1d07c4c00474d670bfebf3f029b456f2 100644
--- a/test/multidomain/facet/1p_1p/analytical/bulkproblem.hh
+++ b/test/multidomain/facet/1p_1p/analytical/problem_bulk.hh
@@ -95,11 +95,21 @@ class OnePBulkProblem : public PorousMediumFlowProblem<TypeTag>
 public:
     OnePBulkProblem(std::shared_ptr<const FVGridGeometry> fvGridGeometry,
                     std::shared_ptr<typename ParentType::SpatialParams> spatialParams,
-                    const std::string& paramGroup = "")
+                    const std::string& paramGroup = "Bulk")
     : ParentType(fvGridGeometry, spatialParams, paramGroup)
     , lowDimPermeability_(getParam<Scalar>("LowDim.SpatialParams.Permeability"))
     , aperture_(getParam<Scalar>("Problem.FractureAperture"))
-    {}
+    {
+        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
+    }
+
+    /*!
+     * \brief The problem name.
+     */
+    const std::string& name() const
+    {
+        return problemName_;
+    }
 
     //! Specifies the type of boundary condition at a given position
     BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
@@ -191,6 +201,7 @@ private:
     std::shared_ptr<CouplingManager> couplingManagerPtr_;
     Scalar lowDimPermeability_;
     Scalar aperture_;
+    std::string problemName_;
 };
 
 } // end namespace Dumux
diff --git a/test/multidomain/facet/1p_1p/analytical/lowdimproblem.hh b/test/multidomain/facet/1p_1p/analytical/problem_lowdim.hh
similarity index 94%
rename from test/multidomain/facet/1p_1p/analytical/lowdimproblem.hh
rename to test/multidomain/facet/1p_1p/analytical/problem_lowdim.hh
index 72b061cd2984944832e11c545a3542c0b168391a..27474f6d33555b7e238998ca7dbe53d6a64a8c99 100644
--- a/test/multidomain/facet/1p_1p/analytical/lowdimproblem.hh
+++ b/test/multidomain/facet/1p_1p/analytical/problem_lowdim.hh
@@ -95,10 +95,20 @@ class OnePLowDimProblem : public PorousMediumFlowProblem<TypeTag>
 public:
     OnePLowDimProblem(std::shared_ptr<const FVGridGeometry> fvGridGeometry,
                       std::shared_ptr<typename ParentType::SpatialParams> spatialParams,
-                      const std::string& paramGroup = "")
+                      const std::string& paramGroup = "LowDim")
     : ParentType(fvGridGeometry, spatialParams, paramGroup)
     , aperture_(getParam<Scalar>("Problem.FractureAperture"))
-    {}
+    {
+        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
+    }
+
+    /*!
+     * \brief The problem name.
+     */
+    const std::string& name() const
+    {
+        return problemName_;
+    }
 
     //! Specifies the type of boundary condition at a given position
     BoundaryTypes boundaryTypesAtPos(const GlobalPosition& globalPos) const
@@ -159,6 +169,7 @@ public:
 private:
     std::shared_ptr<CouplingManager> couplingManagerPtr_;
     Scalar aperture_;
+    std::string problemName_;
 };
 
 } // end namespace Dumux
diff --git a/test/multidomain/facet/1p_1p/threedomain/CMakeLists.txt b/test/multidomain/facet/1p_1p/threedomain/CMakeLists.txt
index f49c711568569d7b9d8cbf38329f6d06643a54ce..3e4e3d639ad9c2663c64b9453d32a76bebbac6a7 100644
--- a/test/multidomain/facet/1p_1p/threedomain/CMakeLists.txt
+++ b/test/multidomain/facet/1p_1p/threedomain/CMakeLists.txt
@@ -1,25 +1,26 @@
-dune_symlink_to_source_files(FILES "grids" "facetcoupling_1p1p_threedomain.input")
+dune_symlink_to_source_files(FILES "grids" "params.input")
 
-dune_add_test(NAME test_facetcoupling_tpfa_1p1p_threedomain
-              SOURCES test_facetcoupling_tpfa_1p1p_threedomain.cc
+dune_add_test(NAME test_md_facet_1p1p_threedomain_tpfa
+              SOURCES main.cc
               CMAKE_GUARD "( dune-foamgrid_FOUND AND dune-alugrid_FOUND )"
               COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
               CMD_ARGS  --script fuzzy
-                        --files ${CMAKE_SOURCE_DIR}/test/references/facetcoupling_1p1p_threedomain_bulk.vtu
-                                ${CMAKE_CURRENT_BINARY_DIR}/test_1p_1p_bulk-00001.vtu
-                                ${CMAKE_SOURCE_DIR}/test/references/facetcoupling_1p1p_threedomain_facet.vtu
-                                ${CMAKE_CURRENT_BINARY_DIR}/test_1p_1p_facet-00001.vtu
-                                ${CMAKE_SOURCE_DIR}/test/references/facetcoupling_1p1p_threedomain_edge.vtp
-                                ${CMAKE_CURRENT_BINARY_DIR}/test_1p_1p_edge-00001.vtp
-                       --command "${CMAKE_CURRENT_BINARY_DIR}/test_facetcoupling_tpfa_1p1p_threedomain facetcoupling_1p1p_threedomain.input")
+                        --files ${CMAKE_SOURCE_DIR}/test/references/test_md_facet_1p1p_threedomain_tpfa_bulk-reference.vtu
+                                ${CMAKE_CURRENT_BINARY_DIR}/test_md_facet_1p1p_threedomain_tpfa_bulk-00001.vtu
+                                ${CMAKE_SOURCE_DIR}/test/references/test_md_facet_1p1p_threedomain_tpfa_facet-reference.vtu
+                                ${CMAKE_CURRENT_BINARY_DIR}/test_md_facet_1p1p_threedomain_tpfa_facet-00001.vtu
+                                ${CMAKE_SOURCE_DIR}/test/references/test_md_facet_1p1p_threedomain_tpfa_edge-reference.vtp
+                                ${CMAKE_CURRENT_BINARY_DIR}/test_md_facet_1p1p_threedomain_tpfa_edge-00001.vtp
+                       --command "${CMAKE_CURRENT_BINARY_DIR}/test_md_facet_1p1p_threedomain_tpfa params.input
+                       -Vtk.OutputName test_md_facet_1p1p_threedomain_tpfa")
 
 set(CMAKE_BUILD_TYPE Release)
 
 #install sources
 install(FILES
-test_facetcoupling_tpfa_1p1p_threedomain.cc
-bulkProblem.hh
-facetproblem.hh
-edgeproblem.hh
+main.cc
+problem_bulk.hh
+problem_facet.hh
+problem_edge.hh
 spatialparams.hh
 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dumux/test/multidomain/facet/1p_1p/threedomain)
diff --git a/test/multidomain/facet/1p_1p/threedomain/test_facetcoupling_tpfa_1p1p_threedomain.cc b/test/multidomain/facet/1p_1p/threedomain/main.cc
similarity index 98%
rename from test/multidomain/facet/1p_1p/threedomain/test_facetcoupling_tpfa_1p1p_threedomain.cc
rename to test/multidomain/facet/1p_1p/threedomain/main.cc
index fe8edaccf1a8780ca2fb1bed2e95f368a8f1b35c..ddc08ac3167f245a0a9e07f043584c4390114ab1 100644
--- a/test/multidomain/facet/1p_1p/threedomain/test_facetcoupling_tpfa_1p1p_threedomain.cc
+++ b/test/multidomain/facet/1p_1p/threedomain/main.cc
@@ -32,9 +32,9 @@
 #include <dumux/common/dumuxmessage.hh>
 #include <dumux/common/defaultusagemessage.hh>
 
-#include "bulkproblem.hh"
-#include "facetproblem.hh"
-#include "edgeproblem.hh"
+#include "problem_bulk.hh"
+#include "problem_facet.hh"
+#include "problem_edge.hh"
 
 #include <dumux/assembly/diffmethod.hh>
 
@@ -178,8 +178,10 @@ int main(int argc, char** argv) try
     using BulkSolutionVector = std::decay_t<decltype(x[bulkId])>;
     using FacetSolutionVector = std::decay_t<decltype(x[facetId])>;
     using EdgeSolutionVector = std::decay_t<decltype(x[edgeId])>;
+
+    // intialize the vtk output module
     VtkOutputModule<BulkGridVariables, BulkSolutionVector> bulkVtkWriter(*bulkGridVariables, x[bulkId], bulkProblem->name());
-    VtkOutputModule<FacetGridVariables, FacetSolutionVector> facetVtkWriter(*facetGridVariables, x[facetId], facetProblem->name());
+    VtkOutputModule<FacetGridVariables, FacetSolutionVector> facetVtkWriter(*facetGridVariables, x[facetId],  facetProblem->name());
     VtkOutputModule<EdgeGridVariables, EdgeSolutionVector> edgeVtkWriter(*edgeGridVariables, x[edgeId], edgeProblem->name());
 
     // Add model specific output fields
diff --git a/test/multidomain/facet/1p_1p/threedomain/facetcoupling_1p1p_threedomain.input b/test/multidomain/facet/1p_1p/threedomain/params.input
similarity index 72%
rename from test/multidomain/facet/1p_1p/threedomain/facetcoupling_1p1p_threedomain.input
rename to test/multidomain/facet/1p_1p/threedomain/params.input
index edf2dfddd33814d6cbef521408714bfcadcb19f0..bfa6c4f9d07d0ffbce48df086ecc388b169e13d7 100644
--- a/test/multidomain/facet/1p_1p/threedomain/facetcoupling_1p1p_threedomain.input
+++ b/test/multidomain/facet/1p_1p/threedomain/params.input
@@ -5,7 +5,7 @@ EnableGravity = false
 File = ./grids/grid.msh
 
 [Bulk]
-Problem.Name = test_1p_1p_bulk
+Problem.Name = bulk
 SpatialParams.Permeability = 1
 FacetCoupling.Xi = 1.0
 
@@ -14,11 +14,14 @@ Aperture = 1e-2
 
 [Facet]
 SpatialParams.Permeability = 1e3
-Problem.Name = test_1p_1p_facet
+Problem.Name = facet
 Problem.Aperture = 1e-2
 FacetCoupling.Xi = 1.0
 
 [Edge]
 SpatialParams.Permeability = 1e5
-Problem.Name = test_1p_1p_edge
+Problem.Name = edge
 Problem.Aperture = 1e-3
+
+[Vtk]
+OutputName = test_md_facet_1p1p_threedomain_tpfa
diff --git a/test/multidomain/facet/1p_1p/threedomain/bulkproblem.hh b/test/multidomain/facet/1p_1p/threedomain/problem_bulk.hh
similarity index 94%
rename from test/multidomain/facet/1p_1p/threedomain/bulkproblem.hh
rename to test/multidomain/facet/1p_1p/threedomain/problem_bulk.hh
index 3d3998aa82ff9384acb481101221ca66900c5967..49699ac073dfc2927d1230e5b9c61f0511c053a2 100644
--- a/test/multidomain/facet/1p_1p/threedomain/bulkproblem.hh
+++ b/test/multidomain/facet/1p_1p/threedomain/problem_bulk.hh
@@ -96,9 +96,19 @@ public:
     //! The constructor
     OnePBulkProblem(std::shared_ptr<const FVGridGeometry> fvGridGeometry,
                     std::shared_ptr<typename ParentType::SpatialParams> spatialParams,
-                    const std::string& paramGroup = "")
+                    const std::string& paramGroup = "Bulk")
     : ParentType(fvGridGeometry, spatialParams, paramGroup)
-    {}
+    {
+        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
+    }
+
+    /*!
+     * \brief The problem name.
+     */
+    const std::string& name() const
+    {
+        return problemName_;
+    }
 
     //! Specifies the kind of boundary condition on a given boundary position.
     BoundaryTypes boundaryTypesAtPos(const GlobalPosition& globalPos) const
@@ -152,6 +162,7 @@ public:
     { couplingManagerPtr_ = cm; }
 
 private:
+    std::string problemName_;
     std::shared_ptr<CouplingManager> couplingManagerPtr_;
 };
 
diff --git a/test/multidomain/facet/1p_1p/threedomain/edgeproblem.hh b/test/multidomain/facet/1p_1p/threedomain/problem_edge.hh
similarity index 94%
rename from test/multidomain/facet/1p_1p/threedomain/edgeproblem.hh
rename to test/multidomain/facet/1p_1p/threedomain/problem_edge.hh
index f9fcfcabf01bae3607d039c313b31b45fde4d423..1274935d2f9acdc6b6843c6d7af9986fdb8ea235 100644
--- a/test/multidomain/facet/1p_1p/threedomain/edgeproblem.hh
+++ b/test/multidomain/facet/1p_1p/threedomain/problem_edge.hh
@@ -100,11 +100,20 @@ public:
     //! The constructor
     OnePEdgeProblem(std::shared_ptr<const FVGridGeometry> fvGridGeometry,
                     std::shared_ptr<typename ParentType::SpatialParams> spatialParams,
-                    const std::string& paramGroup = "")
+                    const std::string& paramGroup = "Edge")
     : ParentType(fvGridGeometry, spatialParams, paramGroup)
     {
         const auto a = getParam<Scalar>("Extrusion.Aperture");
         exFactor_ = a*a;
+        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
+    }
+
+    /*!
+     * \brief The problem name.
+     */
+    const std::string& name() const
+    {
+        return problemName_;
     }
 
     //!Specifies the type of boundary condition on a boundary position
@@ -152,6 +161,7 @@ public:
 
 private:
     Scalar exFactor_;
+    std::string problemName_;
     std::shared_ptr<CouplingManager> couplingManagerPtr_;
 };
 
diff --git a/test/multidomain/facet/1p_1p/threedomain/facetproblem.hh b/test/multidomain/facet/1p_1p/threedomain/problem_facet.hh
similarity index 94%
rename from test/multidomain/facet/1p_1p/threedomain/facetproblem.hh
rename to test/multidomain/facet/1p_1p/threedomain/problem_facet.hh
index a72c5af1f927cc0e74700c3a0504510eacf2346f..6da834a064c4df28e9eaa0404de63a1858f240bb 100644
--- a/test/multidomain/facet/1p_1p/threedomain/facetproblem.hh
+++ b/test/multidomain/facet/1p_1p/threedomain/problem_facet.hh
@@ -100,10 +100,20 @@ public:
     //! The constructor
     OnePFacetProblem(std::shared_ptr<const FVGridGeometry> fvGridGeometry,
                      std::shared_ptr<typename ParentType::SpatialParams> spatialParams,
-                     const std::string& paramGroup = "")
+                     const std::string& paramGroup = "Facet")
     : ParentType(fvGridGeometry, spatialParams, paramGroup)
     , aperture_(getParam<Scalar>("Extrusion.Aperture"))
-    {}
+    {
+        problemName_  =  getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
+    }
+
+    /*!
+     * \brief The problem name.
+     */
+    const std::string& name() const
+    {
+        return problemName_;
+    }
 
     //! Specifies the kind of boundary condition at a boundary position
     BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
@@ -165,6 +175,7 @@ public:
 
 private:
     Scalar aperture_;
+    std::string problemName_;
     std::shared_ptr<CouplingManager> couplingManagerPtr_;
 };
 
diff --git a/test/references/facetcoupling_1p1p_threedomain_bulk.vtu b/test/references/test_md_facet_1p1p_threedomain_tpfa_bulk-reference.vtu
similarity index 100%
rename from test/references/facetcoupling_1p1p_threedomain_bulk.vtu
rename to test/references/test_md_facet_1p1p_threedomain_tpfa_bulk-reference.vtu
diff --git a/test/references/facetcoupling_1p1p_threedomain_edge.vtp b/test/references/test_md_facet_1p1p_threedomain_tpfa_edge-reference.vtp
similarity index 100%
rename from test/references/facetcoupling_1p1p_threedomain_edge.vtp
rename to test/references/test_md_facet_1p1p_threedomain_tpfa_edge-reference.vtp
diff --git a/test/references/facetcoupling_1p1p_threedomain_facet.vtu b/test/references/test_md_facet_1p1p_threedomain_tpfa_facet-reference.vtu
similarity index 100%
rename from test/references/facetcoupling_1p1p_threedomain_facet.vtu
rename to test/references/test_md_facet_1p1p_threedomain_tpfa_facet-reference.vtu