Fixes intermittent test failures

ui/mirage/factories/node.js

@@ -62,7 +62,7 @@ export default Factory.extend({
     // Each node has a corresponding client stats resource that's queried via node IP.
     // Create that record, even though it's not a relationship.
     server.create('client-stats', {
-      id: node.http_addr,
+      id: node.httpAddr,
     });
   },
 });