--- a/dom/tests/mochitest/general/test_interfaces.js
+++ b/dom/tests/mochitest/general/test_interfaces.js
@@ -266,18 +266,16 @@ var interfaceNamesInGlobalScope =
     {name: "CSSValue", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "CSSValueList", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "CustomElementRegistry", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "CustomEvent", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
-    {name: "DataChannel", insecureContext: true},
-// IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "DataTransfer", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "DataTransferItem", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "DataTransferItemList", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "DelayNode", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
@@ -800,16 +798,18 @@ var interfaceNamesInGlobalScope =
     {name: "Request", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "Response", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RGBColor", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RTCCertificate", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
+    {name: "RTCDataChannel", insecureContext: true},
+// IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RTCDataChannelEvent", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RTCDTMFSender", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RTCDTMFToneChangeEvent", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "RTCIceCandidate", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!