3 files changed, 12 insertions, 3 deletions
diff --git a/testing/web-platform/tests/performance-timeline/not-restored-reasons/abort-block-bfcache.window.js b/testing/web-platform/tests/performance-timeline/not-restored-reasons/abort-block-bfcache.window.js
index 8488dd60cc..e5dbb0f43c 100644
--- a/testing/web-platform/tests/performance-timeline/not-restored-reasons/abort-block-bfcache.window.js
+++ b/testing/web-platform/tests/performance-timeline/not-restored-reasons/abort-block-bfcache.window.js
@@ -1,4 +1,5 @@
 // META: title=Aborting a parser should block bfcache
+// META: script=./test-helper.js
 // META: timeout=long
 
 
@@ -14,8 +15,7 @@ async_test(t => {
     window.stop();
   } else {
     const nrr = performance.getEntriesByType('navigation')[0].notRestoredReasons;
-    assert_equals(nrr.reasons.length, 1);
-    assert_equals(nrr.reasons[0], "parser-aborted");
+    assert_true(ReasonsInclude(nrr.reasons, "parser-aborted"));
     t.done();
   }
 }, "aborting a parser should block bfcache.");
diff --git a/testing/web-platform/tests/performance-timeline/not-restored-reasons/performance-navigation-timing-navigation-failure.tentative.window.js b/testing/web-platform/tests/performance-timeline/not-restored-reasons/performance-navigation-timing-navigation-failure.tentative.window.js
index 4022e6e59f..5812ebb2b3 100644
--- a/testing/web-platform/tests/performance-timeline/not-restored-reasons/performance-navigation-timing-navigation-failure.tentative.window.js
+++ b/testing/web-platform/tests/performance-timeline/not-restored-reasons/performance-navigation-timing-navigation-failure.tentative.window.js
@@ -22,5 +22,5 @@ promise_test(async t => {
 
   // Check the BFCache result and the reported reasons.
   await assertBFCacheEligibility(rc1, /*shouldRestoreFromBFCache=*/ false);
-  await assertNotRestoredFromBFCache(rc1, ['error-document']);
+  await assertNotRestoredFromBFCache(rc1, ['navigation-failure']);
 });
 \ No newline at end of file
diff --git a/testing/web-platform/tests/performance-timeline/not-restored-reasons/test-helper.js b/testing/web-platform/tests/performance-timeline/not-restored-reasons/test-helper.js
index 97695cd0ac..826b0ccb2b 100644
--- a/testing/web-platform/tests/performance-timeline/not-restored-reasons/test-helper.js
+++ b/testing/web-platform/tests/performance-timeline/not-restored-reasons/test-helper.js
@@ -34,6 +34,15 @@ function assertReasonsStructEquals(
   }
 }
 
+function ReasonsInclude(reasons, targetReason) {
+  for (const reason of reasons) {
+    if (reason.reason == targetReason) {
+      return true;
+    }
+  }
+  return false;
+}
+
 // Requires:
 // - /websockets/constants.sub.js in the test file and pass the domainPort
 // constant here.