#1332 Replace some singleton call GetInstance() by CreateOrGetInstance() for...

#1332 Replace some singleton call GetInstance() by CreateOrGetInstance() for the same of some tests in which usual expectations of ordering are not met.

Sources/Geometry/Mesh/Internal/Format/Ensight.cpp

@@ -427,7 +427,8 @@ namespace MoReFEM
                             static unsigned int assigned_ensight_index = 1u;
                             unsigned int read_ensight_index;
                             
-                            const auto& geometric_elt_factory = ::MoReFEM::Advanced::GeometricEltFactory::GetInstance(__FILE__, __LINE__);
+                            const auto& geometric_elt_factory =
+                                ::MoReFEM::Advanced::GeometricEltFactory::CreateOrGetInstance(__FILE__, __LINE__);
                            
                             while (true)
                             {
@@ -511,7 +512,8 @@ namespace MoReFEM
                                                                              index,
                                                                              std::move(description));
                             
-                            const auto& geometric_elt_factory = ::MoReFEM::Advanced::GeometricEltFactory::GetInstance(__FILE__, __LINE__);
+                            const auto& geometric_elt_factory =
+                                ::MoReFEM::Advanced::GeometricEltFactory::CreateOrGetInstance(__FILE__, __LINE__);
                             
                             // In the following, we should get one block per geometric geometric elementpresent in the label
                             // Format is:

Sources/Geometry/Mesh/Internal/Format/Medit.cpp

@@ -550,7 +550,8 @@ namespace MoReFEM
                                                           LabelHelper& label_helper)
                         {
                             // Iterate through all registered geometric elements
-                            const auto& geometric_elt_factory = ::MoReFEM::Advanced::GeometricEltFactory::GetInstance(__FILE__, __LINE__);
+                            const auto& geometric_elt_factory =
+                                ::MoReFEM::Advanced::GeometricEltFactory::CreateOrGetInstance(__FILE__, __LINE__);
                             const auto& medit_type_list = geometric_elt_factory.MeditRefGeomEltList();
                             
                             auto Ncoord = static_cast<unsigned int>(GmfStatKwd(mesh_index_, GmfVertices));

Sources/OperatorInstances/VariationalOperator/NonlinearForm/Local/SecondPiolaKirchhoffStressTensor/HyperelasticityPolicy/Hyperelasticity.hxx

@@ -87,6 +87,7 @@ namespace MoReFEM
                     const auto& dI3dC =
                         invariant_holder.GetFirstDerivativeWrtCauchyGreen(invariant_holder_type::invariants_first_derivative_index::dI3dC);
 
+                    throw Exception("FAKE", __FILE__, __LINE__);
 
                     // Note: one of these quantities might be infinite... but in this case this infinite (or a resulting
                     // nan) will be assembled into a Petsc matrix or vector, which will in turn handle properly