( admin interface)
1 - Create a new folder
2 - On a XMLText field define a custom tag "Quote"
3 - Type whatever inside

( console )
1 - Create a bundle
2 - Define a route
3 - Create a controller for the route, and load the object
4 - Create a twig and use ez_render_field to render object XMLTest field

( browser )
1 - Access route defined 
2 - Verify quote text is present
3 - see source code
4 - verify <custom ....> tag is present

( demo / flow / webin )
1 - access the object
2 - verify quote text is present
3 - see source code
4 - verify that there is no <custom ...> tag