fix external lib loading issue

The external libs would not get loaded before running the behavior functions
that required them.

Move loading function call and add timeout to force them to get loaded before
robot start.

client/robot/robot.js

@@ -7,6 +7,8 @@
 
 const config = arguments[1];
 
+robotController.external.load(config);
+
 robot = {
   recordedParticipants: {},
 
@@ -18,7 +20,6 @@ robot = {
     return mediaRecorder;
   },
   start: () => {
-    robotController.external.load(config);
     robotLib.stt = robotLib.stt(config);
     robotLib.archive = robotLib.archive(config);
 

lib/runner.js

@@ -16,9 +16,11 @@ module.exports = config => ({
       .then(() => resolveSequentially(f => client.execute(f, room, clientConfig),
                                       controllerFilesList))
       .then(() => client.execute(() => {
-        /* eslint-disable no-undef */
-        robot.start();
-        /* eslint-enable */
+        setTimeout(() => {
+          /* eslint-disable no-undef */
+          robot.start();
+          /* eslint-enable */
+        }, 500);
       }))
       .waitForVisible('#displayname', 30000)
       .setValue('#displayname', clientConfig.name)