example workflow for runner failure

actions/runner-images#10977

.github/workflows/test.yaml

@@ -0,0 +1,22 @@
+name: Self-tests for scanners
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  man-db:
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - run: |
+          sudo apt-get update
+
+          # start another disk-heavy job
+          sudo snap install --no-wait --classic trivy
+
+          timeout 30s sudo apt-get --yes install sl
+
+          date