1. In the lower right corner click on the switch icon, it will open Tentacles
2. Click on the red or green circle indicator in the upper left corner of the headline you want to test
3. Click on start A/B Test to open the side menu
4. You can choose which text you want to test, headline or teaser(lead)
5. Click on B to add the new text you want to test, you can also click on the plus sign to add additional text to test
Depending on the data, the test will last for 30 min. If traffic is lower, it will take more.