anchor.diff:  ADD http://chromedriver.storage.googleapis.com/2.25/chromedriver_linux64.zip /tmp
   ADD https://github.com/mozilla/geckodriver/releases/download/v0.11.1/geckodriver-v0.11.1-linux64.tar.gz /tmp
   ADD https://dl-ssl.google.com/linux/linux_signing_key.pub /tmp
  +ADD https://deb.nodesource.com/setup_6.x /tmp
   RUN apt-get -y update \
     && apt-get -y install --no-install-recommends software-properties-common \
     && apt-add-repository multiverse \
  
positive.code:   && apt-add-repository ppa:nilarimogard/webupd8 \
    && cat /tmp/linux_signing_key.pub | apt-key add - \
    && echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list \
    && apt-get -y update \
    && apt-cache policy firefox \
    && apt-get -y install --no-install-recommends \
  
negative.code:     phantomjs \
      ruby ruby-dev \
      nodejs \
    && pip install --upgrade setuptools pip \
    && pip install locustio bzt && pip uninstall -y bzt \
    && pip install --upgrade selenium \
  