anchor.diff:  # A work-in-progress Dockerfile that allows running gRPC test suites
   # inside a docker container.
   
  -FROM debian:wheezy
  +FROM debian:jessie
   
   # Install Git.
   RUN apt-get update && apt-get install -y \
  
positive.code: 
  ##################
  # C++ dependencies
  RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev
  
  #################
  # C# dependencies
  
negative.code:   autotools-dev \
    build-essential \
    bzip2 \
    curl \
    gcc \
    git \
    libc6 \
    libc6-dbg \
    libc6-dev \
  