diff --git a/testing/web-platform/meta/css/filter-effects/idlharness.any.js.ini b/testing/web-platform/meta/css/filter-effects/idlharness.any.js.ini
index d606282330d0..f5dd9bcb10b3 100644
--- a/testing/web-platform/meta/css/filter-effects/idlharness.any.js.ini
+++ b/testing/web-platform/meta/css/filter-effects/idlharness.any.js.ini
@@ -1,6 +1,8 @@
 [idlharness.any.worker.html]
 
 [idlharness.any.html]
+  expected:
+    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
   [SVGFEGaussianBlurElement interface: constant SVG_EDGEMODE_NONE on interface prototype object]
     expected: FAIL
 
diff --git a/testing/web-platform/meta/origin-policy/idlharness.any.js.ini b/testing/web-platform/meta/origin-policy/idlharness.any.js.ini
index 3cb614ff39ca..899183efb972 100644
--- a/testing/web-platform/meta/origin-policy/idlharness.any.js.ini
+++ b/testing/web-platform/meta/origin-policy/idlharness.any.js.ini
@@ -1,4 +1,6 @@
 [idlharness.any.serviceworker.html]
+  expected:
+    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
   [WorkerGlobalScope interface: self must inherit property "originPolicyIds" with the proper type]
     expected: FAIL
 
@@ -26,7 +28,7 @@
 
 [idlharness.any.sharedworker.html]
   expected:
-    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
+    if (os == "linux") and not debug and not webrender: [OK, TIMEOUT]
   [WorkerGlobalScope interface: self must inherit property "originPolicyIds" with the proper type]
     expected: FAIL
 
diff --git a/testing/web-platform/meta/resource-timing/idlharness.any.js.ini b/testing/web-platform/meta/resource-timing/idlharness.any.js.ini
new file mode 100644
index 000000000000..17a88146d34d
--- /dev/null
+++ b/testing/web-platform/meta/resource-timing/idlharness.any.js.ini
@@ -0,0 +1,5 @@
+[idlharness.any.worker.html]
+  expected:
+    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
+
+[idlharness.any.html]
diff --git a/testing/web-platform/meta/savedata/idlharness.any.js.ini b/testing/web-platform/meta/savedata/idlharness.any.js.ini
index 1ab3620e8218..553f1928e71a 100644
--- a/testing/web-platform/meta/savedata/idlharness.any.js.ini
+++ b/testing/web-platform/meta/savedata/idlharness.any.js.ini
@@ -1,4 +1,6 @@
 [idlharness.any.worker.html]
+  expected:
+    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
   [NetworkInformation interface: navigator.connection must inherit property "saveData" with the proper type]
     expected: FAIL
 
@@ -8,7 +10,7 @@
 
 [idlharness.any.html]
   expected:
-    if (os == "android") and debug and webrender: ["OK", "CRASH"]
+    if (os == "android") and debug and webrender: [OK, CRASH]
   [NetworkInformation interface: navigator.connection must inherit property "saveData" with the proper type]
     expected: FAIL
 
diff --git a/testing/web-platform/meta/ua-client-hints/idlharness.https.any.js.ini b/testing/web-platform/meta/ua-client-hints/idlharness.https.any.js.ini
index 1fbf8a89d9b4..abea6da66785 100644
--- a/testing/web-platform/meta/ua-client-hints/idlharness.https.any.js.ini
+++ b/testing/web-platform/meta/ua-client-hints/idlharness.https.any.js.ini
@@ -1,4 +1,6 @@
 [idlharness.https.any.html]
+  expected:
+    if (os == "linux") and not debug and not webrender: ["OK", "TIMEOUT"]
   [NavigatorUAData interface object name]
     expected: FAIL