Merge pull request #1842 from girder/smaller-test-docker

Make the test docker slightly smaller

test.Dockerfile

@@ -22,7 +22,19 @@ RUN userdel -r ubuntu 2>/dev/null
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
       # general utilities \
-      software-properties-common \
+      #  We had been installing \
+      # software-properties-common \
+      #  but this includes a copy of python which we will install later, so \
+      #  install its component parts without python (see \
+      #  https://packages.debian.org/stable/software-properties-common) \
+      ca-certificates \
+      distro-info-data \
+      gir1.2-glib-2.0 \
+      gir1.2-packagekitglib-1.0 \
+      gpg \
+      iso-codes \
+      lsb-release \
+      packagekit \
       # as specified by \
       # https://github.com/pyenv/pyenv/wiki#suggested-build-environment \
       build-essential \
@@ -74,7 +86,7 @@ RUN apt-get update && \
     curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash && \
     find / -xdev -name __pycache__ -type d -exec rm -r {} \+ && \
     rm -r /etc/ssh/ssh_host* && \
-    rm -rf /usr/share/vim/vim91/{doc,tutor}/* /usr/share/doc && \
+    rm -rf /usr/share/vim/vim91/doc/* /usr/share/vim/vim91/tutor/* /usr/share/doc && \
     apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/*
 
 RUN git clone "https://github.com/universal-ctags/ctags.git" "./ctags" && \