Update main.yml

Author: mcbarton

.github/workflows/main.yml

@@ -321,6 +321,10 @@ jobs:
         run: |
           micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyterlite-xeus -c conda-forge
           micromamba activate xeus-lite-host
+          if [[ "${{ matrix.os }}" == "macos"* ]]; then
+            brew install coreutils
+            export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
+          fi 
           timeout 200 jupyter lite serve --settings-overrides=overrides.json --XeusAddon.prefix=${{ env.PREFIX }} \
                          --XeusAddon.mounts="${{ env.PREFIX }}/share/xeus-cpp/tagfiles:/share/xeus-cpp/tagfiles" \
                          --XeusAddon.mounts="${{ env.PREFIX }}/etc/xeus-cpp/tags.d:/etc/xeus-cpp/tags.d" \
@@ -329,10 +333,6 @@ jobs:
                          --contents notebooks/smallpt.ipynb \
                          --contents notebooks/images/marie.png \
                          --contents notebooks/audio/audio.wav &
-          if [[ "${{ matrix.os }}" == "macos"* ]]; then
-            brew install coreutils
-            export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
-          fi 
           python -m pip install nbdime
           python -m pip install selenium
           python scripts/automated-notebook-run-script.py --driver chrome