This is a testharness.js-based test.
[FAIL] Blob URL window.open should enforce noopener for a cross-top-level-site navigation
  promise_test: Unhandled rejection with value: "Blob URL handle wasn't null in not-same-top-level-site iframe: Navigation handle returns not null"
[FAIL] Blob URL should partition subframe navigation.
  promise_test: Unhandled rejection with value: "Blob URL subframe navigation succeeded in not-same-top-level-site iframe."
[FAIL] Blob URL link click should enforce noopener for a cross-top-level-site navigation
  promise_test: Unhandled rejection with value: "Blob URL page opener wasn't null in not-same-top-level-site iframe."
[FAIL] Blob URL area element click should enforce noopener for a cross-top-level-site navigation
  promise_test: Unhandled rejection with value: "Blob URL page opener wasn't null in not-same-top-level-site iframe."
[FAIL] Blob URL SVG <a> element click should enforce noopener for a cross-top-level-site navigation
  promise_test: Unhandled rejection with value: "Blob URL page opener wasn't null in not-same-top-level-site iframe."
Harness: the test ran to completion.