Main requirement(s) tested:
- N/A - This makes sure that the user can edit OG image tag.
- Add a new site name named Test Site Name > add a widget page for it named Test Page Name
- Try to config the added page > go to Open Graph
- Select an image, save the changes
- Click on the 'Clear' button, save the changes
- Select a new image, save the changes
- Logout > go to Test Site Name
- Assert that the latest OG image is in the HTML source.