Run tests with gabrielbb/xvfb-action

Author: valscion

.github/workflows/main.yml

@@ -24,8 +24,10 @@ jobs:
       - name: Build sources
         run: npm run build
 
-      - name: Run tests
-        run: npm run test
+      - name: Run tests with xvfb available
+        uses: GabrielBB/xvfb-action@v1
+        with:
+          run: npm run test
 
   lint:
     runs-on: ubuntu-latest