try to add r tests back in

Author: RockfordMankiniUCSD

images/datascience-notebook/Dockerfile

@@ -97,6 +97,9 @@ RUN uv pip install jupyterhub==$JUPYTERHUB_VERSION jupyter_server==$JUPYTERSERVE
     fix-permissions /home/$NB_USER && \
     uv cache clean
 
+# update R packages
+RUN R -e "update.packages(ask=FALSE, repos='https://cloud.r-project.org')"
+
 # Install R packages
 RUN R -e "install.packages(c('xfun', 'rmarkdown', 'covr', 'git2r', 'crosstalk', 'DT'), repos='https://cloud.r-project.org')" && \
     fix-permissions $CONDA_DIR && \