Run smallpt.ipynb in ci and test output

Author: mcbarton

.github/workflows/main.yml

@@ -316,13 +316,24 @@ jobs:
           fi
         timeout-minutes: 4
 
-      - name: Jupyter Lite integration
+      - name: Jupyter Lite integration test
         shell: bash -l {0}
         run: |
           micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyterlite-xeus -c conda-forge
           micromamba activate xeus-lite-host
-          jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }}
-
+          timeout 200 jupyter lite serve --settings-overrides=overrides.json --XeusAddon.prefix=${{ env.PREFIX }}
+	  	       	     --XeusAddon.mounts="$PREFIX/share/xeus-cpp/tagfiles:/share/xeus-cpp/tagfiles" \
+                   	     --XeusAddon.mounts="$PREFIX/etc/xeus-cpp/tags.d:/etc/xeus-cpp/tags.d" \
+                   	     --contents README.md \
+                   	     --contents notebooks/xeus-cpp-lite-demo.ipynb \
+                   	     --contents notebooks/smallpt.ipynb \
+                   	     --contents notebooks/images/marie.png \
+                   	     --contents notebooks/audio/audio.wav
+	  python -m pip install nbdime
+	  python -m pip install selenium
+	  python --driver chrome
+	  nbdiff notebooks/smallpt.ipynb $HOME/smallpt.ipynb
+	  
       - name: Setup tmate session
         if: ${{ failure() && runner.debug }}
         uses: mxschmitt/action-tmate@v3