Add a Unit test for #21227
Created by: Johann-S
https://github.com/twbs/bootstrap/pull/21227
it's important to add units tests for the futur of Bootstrap
/cc @mdo @bardiharborow
Created by: Johann-S
https://github.com/twbs/bootstrap/pull/21227
it's important to add units tests for the futur of Bootstrap
/cc @mdo @bardiharborow