zentest
ZenTest provides 4 different tools: zentest, unit_diff, autotest, and multiruby
RUN apt-get update && \
apt-get install -y ruby-zentest
RUN apt-get update && \
apt-get install -y ruby-zentest
RUN apt-get update && \
apt-get install -y ruby-zentest
RUN dnf install -y ruby-zentest
RUN apt-get update && \
apt-get install -y ruby-zentest