Rajout cas test test LSV en 3D

tests/CMakeLists.txt

@@ -140,6 +140,7 @@ add_executable (unit_tests
   test_SquareTransformation.cpp
   test_SymbolTable.cpp
   test_Table.cpp
+  test_TestVolumes3D.cpp
   test_TetrahedronGaussQuadrature.cpp
   test_TetrahedronTransformation.cpp
   test_TensorialGaussLegendreQuadrature.cpp