anchor.diff:  
   ENV LD_LIBRARY_PATH $HOME/.local/lib:$LD_LIBRARY_PATH
   
  -RUN cd $HOME/opt/pyne && ./scripts/nuc_data_make \
  -    && cd tests \ 
  -    && ./travis-run-tests.sh \
  +RUN cd $HOME/opt/pyne && ./scripts/nuc_data_make
  +
  +RUN cd $HOME/opt/pyne/tests \
  +    && ./travis-run-tests.sh python2 \
       && echo "PyNE build complete. PyNE can be rebuilt with the alias 'build_pyne' executed from $HOME/opt/pyne"
  
positive.code: # build PyTAPS
  RUN cd $HOME/opt \
    && wget https://pypi.python.org/packages/source/P/PyTAPS/PyTAPS-1.4.tar.gz \
    && tar zxvf PyTAPS-1.4.tar.gz \ 
    && rm PyTAPS-1.4.tar.gz \
    && cd PyTAPS-1.4/ \
    && python setup.py --iMesh-path=$HOME/opt/moab --without-iRel --without-iGeom install --user \ 
    && cd .. \
    && rm -rf PyTAPS-1.4
  
  
negative.code: RUN cd $HOME/opt \
    && mkdir moab \
    && cd moab \
    && git clone https://bitbucket.org/fathomteam/moab \
    && cd moab \
    && git checkout -b Version4.9.1 origin/Version4.9.1 \
    && autoreconf -fi \
    && cd .. \
    && mkdir build \
    && cd build \
    && ../moab/configure --enable-shared --enable-dagmc --with-hdf5=/usr/lib/x86_64-linux-gnu/hdf5/serial --prefix=$HOME/opt/moab \
  