adjust steps

Author: baumgaertnerd

.github/workflows/ci.yml

@@ -26,9 +26,5 @@ jobs:
       run: npm ci
     - name: Run Linting Checks
       run: npm run lint
-    - name: Run Headless Tests
-      run: xvfb-run --auto-servernum npm run test
-      if: runner.os == 'Linux'
     - name: Run Tests
       run: npm run test
-      if: runner.os != 'Linux'