correct compare event.origin, self.location.origin #1421

All 118 tests pass in 16s

118 tests ±0 118 ✔️ ±0 16s ⏱️ +2s
  14 suites ±0     0 💤 ±0
    1 files ±0     0 ❌ ±0

Results for commit a1680fc. ± Comparison against earlier commit 41cbed1.