anchor.diff:  #RUN /entrypoint.sh npm run e2e
   
   #clean up after testing
  -RUN apt-get remove -y google-chrome-stable xvfb curl; \
  +RUN apt-get remove -y chromium xvfb curl; \
       apt-get autoremove; \
       apt-get clean; \
       rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
positive.code: 
  #Install xvfb curl and chrome for testing
  RUN apt-get update; \
      apt-get install -y xvfb curl; \
      curl https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - ; \
      sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'; \
      apt-get update && apt-get install -y google-chrome-stable
  
  # install dependencies
  RUN npm install
  
negative.code: RUN chmod +x /etc/init.d/xvfb
  
  ENV DISPLAY :99.0
  #ENV CHROME_BIN /usr/bin/google-chrome
  
  #do the testing
  RUN /entrypoint.sh npm test
  