added line from https://discourse.julialang.org/t/github-throws-errors-when-precompiling-glmakie/101882/10

jeffwack · jeffwack · commit b8dcd37e665c · 2024-11-27T13:54:05.000-05:00
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
@@ -39,3 +39,5 @@ jobs:
       - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
+        with:
+          prefix: xvfb-run -s '-screen 0 1024x768x24'
