[packaging] Add missing test dependencies to Dockerfile.
@@ -13,12 +13,14 @@ RUN apt-get update \
'curl=7.58.0-2ubuntu3.13' \
'libtinfo5=6.1-1ubuntu1.18.04' \
'make=4.1-9.1ubuntu1' \
+ 'patch=2.7.6-2ubuntu1.1' \
'patchelf=0.9-1' \
'python3-dev=3.6.7-1~18.04' \
'python3-distutils=3.6.9-1~18.04' \
'python3-pip=9.0.1-2.3~ubuntu1.18.04.4' \
'python3=3.6.7-1~18.04' \
'rsync=3.1.2-2.1ubuntu1.1' \
+ 'zlib1g-dev=1:1.2.11.dfsg-0ubuntu2' \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
