Add docker-compose file to run tests (#1463)

test/Dockerfile.test

@@ -4,7 +4,7 @@ ENV PATH /root/.local/bin:$PATH
 
 RUN apt-get update \
     && apt-get install -y wget libpq-dev pkg-config libpcre3 libpcre3-dev \
-       postgresql-client debconf locales \
+       postgresql-client debconf locales build-essential libffi-dev libgmp-dev git \
     && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
     && echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen \
     && locale-gen \