test updates

Author: skiedude

test/test-st2-unauthorized.js

@@ -82,7 +82,9 @@ describe("auth with invalid st2 API key", async function() {
 
   after(function() {
     stop && stop();
-    robot.server.close();
+    if (robot.server) {
+      robot.server.close();
+    }
     robot.shutdown();
     // Remove stackstorm.js from the require cache
     // https://medium.com/@gattermeier/invalidate-node-js-require-cache-c2989af8f8b0