message: In tests/unit/fem/test_get_value.cpp, add constexpr to some
  'dim' variables to avoid the use VLAs -- this generated warnings
  when building with -pedantic flag.
diff: @@ -287,7 +287,7 @@ TEST_CASE("2D GetValue",
  {
  int log = 1;
  int n = 1;
  - int dim = 2;
  + constexpr int dim = 2;
  int order = 1;
  int npts = 0;
  @@ -560,7 +560,7 @@ TEST_CASE("3D GetValue",
  {
  int log = 1;
  int n = 1;
  - int dim = 3;
  + constexpr int dim = 3;
  int order = 1;
  int npts = 0;
  @@ -872,7 +872,7 @@ TEST_CASE("2D GetVectorValue",
  {
  int log = 1;
  int n = 1;
  - int dim = 2;
  + constexpr int dim = 2;
  int order = 1;
  int npts = 0;
  @@ -1312,7 +1312,7 @@ TEST_CASE("3D GetVectorValue",
  {
  int log = 1;
  int n = 1;
  - int dim = 3;
  + constexpr int dim = 3;
  int order = 1;
  int npts = 0;
  