[test] Adjust three tests to use Dumux::initialize

5 jobs for !2928 with feature/initialize
latest detached
Status Name Job ID Coverage
  Trigger
passed full-dune-latest-release-clang

passed full-dune-latest-release-gcc

failed full-dune-master-gcc

passed minimal-dune-latest-release-gcc

 
  Downstream Modules
skipped trigger lecture