Properly initialize test vector.

dune/solvers/test/energynormtest.cc

@@ -253,15 +253,12 @@ int main() try
   NVector nVector;
   forEach(nVector, [&](auto& n) { n = fVector; });
   BNVector bnVector(bnSize);
+  for(auto& bn : bnVector)
+    bn = nVector;
   NMatrix nMatrix;
   fillDiagonalStatic(nMatrix, fMatrix);
   BNMatrix bnMatrix;
   fillDiagonal(bnMatrix, nMatrix, bnSize);
-
-// TODO DEBUG
-using namespace Dune::Indices;
-  std::cout << "Entry 0" << bnMatrix[0][0][_0][_0][0][0] << std::endl;
-  std::cout << "Entry 0" << bnMatrix[0][0][_1][_1][0][0] << std::endl;
   // test
   passed = passed && testWith(bnMatrix, bnVector, sqrt(bnSize)*sqrt(2)*5.0, "blocked multitype vectors");