Tests for checking PZP virgin mode

- Initially deletes all .webinos folder files to create new configuration
- Check PZP exposed API
- Checks default  configuration including certificates, userData, ports, metaData, serviceCache
- Checks websocket connection and http server status
- Checks websocket client connection and message received on WRT end

Jira Issue: WP-860
Addition in travis

Jira Issue: WP-860