Exception when clicking on cancel in AB Testing Configuration

Found in

EPiServer.Marketing.Testing 2.5.5

Fixed in

EPiServer.Marketing.Testing 2.5.6

Created

Feb 25, 2019

Updated

Feb 26, 2019

State

Closed, Fixed and tested


Description

Steps to reproduce:
1. Create a CMS site with package AB test 2.5.6-pre-00486
2. Open Admin > Config > AB Testing Configuration
3. Click Cancel button
=> a null exception is returned