Turn vc operators into buttongroup

Change-Id: I61df007ac73cdb009f26a0fedb5e6f99012d185a
diff --git a/dev/js/spec/matchSpec.js b/dev/js/spec/matchSpec.js
index 5a4111b..b09a7cb 100644
--- a/dev/js/spec/matchSpec.js
+++ b/dev/js/spec/matchSpec.js
@@ -350,7 +350,8 @@
       expect(e.classList.contains('active')).toBe(true);
       expect(e["_match"]).not.toBe(undefined);
 
-      actions = e.querySelector("p.ref > div.action.bottom").getElementsByTagName("span");
+      actions = e.querySelector("p.ref > div.action.bottom").children;
+      
       expect(actions[0].getAttribute("class")).toEqual("meta");
       expect(actions[1].getAttribute("class")).toEqual("info");
       expect(actions[2].getAttribute("class")).toEqual("tree");