diff --git a/testing/web-platform/meta/resize-observer/idlharness.window.js.ini b/testing/web-platform/meta/resize-observer/idlharness.window.js.ini
index 6af1ef723607d..f4493f4c98fbc 100644
--- a/testing/web-platform/meta/resize-observer/idlharness.window.js.ini
+++ b/testing/web-platform/meta/resize-observer/idlharness.window.js.ini
@@ -13,21 +13,21 @@
 
   [ResizeObserverEntry must be primary interface of entry]
     expected:
-      if (os == "linux") and debug and webrender and not fission: ["PASS", "FAIL"]
+      if (os == "linux") and debug and webrender and not fission: [PASS, FAIL]
 
   [Stringification of entry]
     expected:
-      if (os == "linux") and debug and webrender and not fission: ["PASS", "FAIL"]
+      if (os == "linux") and debug and webrender and not fission: [PASS, FAIL]
 
   [ResizeObserverEntry interface: entry must inherit property "target" with the proper type]
     expected:
-      if (os == "linux") and debug and webrender and not fission: ["PASS", "FAIL"]
+      if (os == "linux") and debug and webrender and not fission: [PASS, FAIL]
 
   [ResizeObserverEntry creator]
     expected:
-      if (os == "linux") and debug and webrender and not fission: ["PASS", "FAIL"]
+      if (os == "linux") and debug and webrender and not fission: [PASS, FAIL]
 
   [ResizeObserverEntry interface: entry must inherit property "contentRect" with the proper type]
     expected:
-      if (os == "linux") and debug and webrender and not fission: ["PASS", "FAIL"]
+      if (os == "linux") and debug and webrender and not fission: [PASS, FAIL]