test_cc2p2cni: adapt reference solution due to improved Dirichlet boundary...

test_cc2p2cni: adapt reference solution due to improved Dirichlet boundary handling for full-implicit cell-centered models

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@10696 2fb0f335-1f38-0410-981e-8018bf24f1b0