diff --git a/testing/web-platform/meta/css/css-scroll-anchoring/history-restore-anchors.html.ini b/testing/web-platform/meta/css/css-scroll-anchoring/history-restore-anchors.html.ini
index f1b026236f59..1cb601aa818e 100644
--- a/testing/web-platform/meta/css/css-scroll-anchoring/history-restore-anchors.html.ini
+++ b/testing/web-platform/meta/css/css-scroll-anchoring/history-restore-anchors.html.ini
@@ -1,7 +1,6 @@
 [history-restore-anchors.html]
   expected:
     if os == "android": OK
-    ERROR
   [Verify scroll anchoring interaction with history restoration]
     expected: FAIL
 
diff --git a/testing/web-platform/meta/fetch/corb/script-resource-with-json-parser-breaker.tentative.sub.html.ini b/testing/web-platform/meta/fetch/corb/script-resource-with-json-parser-breaker.tentative.sub.html.ini
index f0e5e9d2ce18..ac65a6273dfd 100644
--- a/testing/web-platform/meta/fetch/corb/script-resource-with-json-parser-breaker.tentative.sub.html.ini
+++ b/testing/web-platform/meta/fetch/corb/script-resource-with-json-parser-breaker.tentative.sub.html.ini
@@ -1,4 +1,85 @@
 [script-resource-with-json-parser-breaker.tentative.sub.html]
   disabled:
     if (os == "android") and not e10s: https://bugzilla.mozilla.org/show_bug.cgi?id=1499003
-  expected: ERROR
+  expected: TIMEOUT
+  [CORB-blocks 'application/pdf' that starts with the following JSON parser breaker: {} &&]
+    expected: NOTRUN
+
+  [CORB-blocks 'application/zip' that starts with the following JSON parser breaker: {} &&]
+    expected: NOTRUN
+
+  [CORB-blocks 'application/zip' that starts with the following JSON parser breaker: {}&&]
+    expected: NOTRUN
+
+  [CORB-blocks 'text/json' that starts with the following JSON parser breaker: {} &&]
+    expected: FAIL
+
+  [CORB-blocks 'text/xml' that starts with the following JSON parser breaker: {} &&]
+    expected: FAIL
+
+  [CORB-blocks 'text/html' that starts with the following JSON parser breaker: )\]}']
+    expected: FAIL
+
+  [CORB-blocks 'text/json' that starts with the following JSON parser breaker: {}&&]
+    expected: FAIL
+
+  [CORB-blocks 'application/javascript' that starts with the following JSON parser breaker: )\]}']
+    expected: FAIL
+
+  [CORB-blocks 'text/html' that starts with the following JSON parser breaker: {} &&]
+    expected: FAIL
+
+  [CORB-blocks 'image/png' that starts with the following JSON parser breaker: {}&&]
+    expected: NOTRUN
+
+  [CORB-blocks 'text/xml' that starts with the following JSON parser breaker: {}&&]
+    expected: FAIL
+
+  [CORB-blocks 'image/png' that starts with the following JSON parser breaker: {} &&]
+    expected: NOTRUN
+
+  [CORB-blocks 'text/html' that starts with the following JSON parser breaker: {}&&]
+    expected: FAIL
+
+  [CORB-blocks 'application/pdf' that starts with the following JSON parser breaker: )\]}']
+    expected: NOTRUN
+
+  [CORB-blocks 'image/png' that starts with the following JSON parser breaker: )\]}']
+    expected: TIMEOUT
+
+  [CORB-blocks 'text/xml' that starts with the following JSON parser breaker: )\]}']
+    expected: FAIL
+
+  [CORB-blocks 'application/zip' that starts with the following JSON parser breaker: )\]}']
+    expected: NOTRUN
+
+  [CORB-blocks 'text/plain' that starts with the following JSON parser breaker: )\]}']
+    expected: FAIL
+
+  [CORB-blocks 'text/json' that starts with the following JSON parser breaker: )\]}']
+    expected: FAIL
+
+  [CORB-blocks 'application/javascript' that starts with the following JSON parser breaker: {}&&]
+    expected: FAIL
+
+  [CORB-blocks 'image/svg+xml' that starts with the following JSON parser breaker: {} &&]
+    expected: NOTRUN
+
+  [CORB-blocks 'image/svg+xml' that starts with the following JSON parser breaker: {}&&]
+    expected: NOTRUN
+
+  [CORB-blocks 'text/plain' that starts with the following JSON parser breaker: {}&&]
+    expected: FAIL
+
+  [CORB-blocks 'text/plain' that starts with the following JSON parser breaker: {} &&]
+    expected: FAIL
+
+  [CORB-blocks 'application/pdf' that starts with the following JSON parser breaker: {}&&]
+    expected: NOTRUN
+
+  [CORB-blocks 'image/svg+xml' that starts with the following JSON parser breaker: )\]}']
+    expected: NOTRUN
+
+  [CORB-blocks 'application/javascript' that starts with the following JSON parser breaker: {} &&]
+    expected: FAIL
+