align service-worker tests with service worker #1404

All 265 tests pass, 6 skipped in 11s

    1 files +    1     1 suites +1 11s ⏱️ +11s
271 tests +271 265 ✔️ +265 6 💤 +6 0 ❌ ±0
274 runs +274 268 ✔️ +268 6 💤 +6 0 ❌ ±0

Results for commit cab4abc. ± Comparison against earlier commit 50922d4.