Screenshots

Version

master branch.

Describe the bug

Make sure playground is working.

To Reproduce

Steps to reproduce the behavior:

1. Go to https://webchat-playground.azurewebsites.net/
2. Click on 'Connect to official MockBot'

Expected behavior

Playground works.

Additional context

[Bug]