Add tests for r-in-conda
ADD
tests/conda/r/environment.yml
+dependencies:
+ - r-base=3.6
+ - r-ggplot2

ADD
tests/conda/r/verify
+#!/bin/sh
+
+jupyter serverextension list 2>&1 | grep jupyter_server_proxy
+jupyter nbextension list 2>&1 | grep jupyter_server_proxy
+R -e "library('ggplot2')"

Add tests for r-in-conda