anchor.diff:  #========================================
   # Add normal user with passwordless sudo
   #========================================
  -RUN sudo useradd seluser --shell /bin/bash --create-home \
  -  && sudo usermod -a -G sudo seluser \
  -  && echo 'ALL ALL = (ALL) NOPASSWD: ALL' >> /etc/sudoers
  -
  -#==============================
  -# Locale and encoding settings
  -#==============================
  -ENV LANGUAGE en_US.UTF-8
  -ENV LANG ${LANGUAGE}
  -RUN locale-gen ${LANGUAGE} \
  -  && dpkg-reconfigure --frontend noninteractive locales 
  +#RUN sudo useradd seluser --shell /bin/bash --create-home \
  +#  && sudo usermod -a -G sudo seluser \
  +#  && echo 'ALL ALL = (ALL) NOPASSWD: ALL' >> /etc/sudoers
   
   #======================
   # Install Chromedriver
  
positive.code: #=====================
  COPY seleniumbase /SeleniumBase/seleniumbase/
  COPY examples /SeleniumBase/examples/
  COPY requirements.txt /SeleniumBase/requirements.txt
  COPY setup.py /SeleniumBase/setup.py
  RUN pip install --upgrade pip
  
negative.code: # SeleniumBase Docker Image
  FROM ubuntu:17.10
  
  #=======================================
  # Install Python and Basic Python Tools
  