test(hub-discussions): uncomment index.test.ts

affects: @esri/hub-discussions

ISSUES CLOSED: 12495

Author: rweber-esri

packages/discussions/test/index.test.ts

@@ -88,7 +88,7 @@ import * as hubDiscussions from "../src";
  * and again if/when we change our export strategy/order...
  */
 
-xdescribe("index", () => {
+describe("index", () => {
   const expectedMembers = [
     "searchPosts",
     "exportPosts",