diff --git a/testing/web-platform/meta/pointerlock/interfaces.window.js.ini b/testing/web-platform/meta/pointerlock/interfaces.window.js.ini
new file mode 100644
index 000000000000..6a273180be2b
--- /dev/null
+++ b/testing/web-platform/meta/pointerlock/interfaces.window.js.ini
@@ -0,0 +1,4 @@
+[interfaces.window.html]
+  [ShadowRoot interface: attribute pointerLockElement]
+    expected: FAIL
+
diff --git a/testing/web-platform/meta/scroll-animations/idlharness.html.ini b/testing/web-platform/meta/scroll-animations/idlharness.html.ini
index 0d8b834be51c..3196c661ef71 100644
--- a/testing/web-platform/meta/scroll-animations/idlharness.html.ini
+++ b/testing/web-platform/meta/scroll-animations/idlharness.html.ini
@@ -59,3 +59,6 @@
   [ScrollTimeline interface: new ScrollTimeline() must inherit property "fill" with the proper type]
     expected: FAIL
 
+  [Test scroll-animations IDL implementation]
+    expected: FAIL
+
diff --git a/testing/web-platform/meta/subresource-integrity/idlharness.window.js.ini b/testing/web-platform/meta/subresource-integrity/idlharness.window.js.ini
new file mode 100644
index 000000000000..ffcb26af6f89
--- /dev/null
+++ b/testing/web-platform/meta/subresource-integrity/idlharness.window.js.ini
@@ -0,0 +1,4 @@
+[idlharness.window.html]
+  [webappsec-subresource-integrity interfaces]
+    expected: FAIL
+