Minor bug fix

Author: Sijo Cheeran

src/index.js

@@ -96,7 +96,7 @@ export default {
         if (!process.env['CBT_TUNNELS_USERNAME'] || !process.env['CBT_TUNNELS_AUTHKEY'])
             throw new Error(AUTH_FAILED_ERROR);
 
-        CBTConnector.start({ 'username': process.env['CBT_TUNNELS_USERNAME'], 'authkey': process.env['CBT_TUNNELS_AUTHKEY'] }, function (err) {
+        await CBTConnector.start({ 'username': process.env['CBT_TUNNELS_USERNAME'], 'authkey': process.env['CBT_TUNNELS_AUTHKEY'] }, async function (err) {
             if (!err) {
 
                 var colon = browserName.indexOf(':');
@@ -133,7 +133,7 @@ export default {
 
                 capabilities.name = `TestCafe test run ${id}`;
 
-                startBrowser(id, pageUrl, capabilities);
+                await startBrowser(id, pageUrl, capabilities);
             }
 
         });