Directly monkey patches the module on rails-dom-testing
Directly monkey patches the module on rails-dom-testing

It appears that by the time this file is loaded, the `Rails::Dom::Testing...`
module has already been included into the relevant classes.

Because the ancestor chain is copied at include time, including a new module
into `Rails::Dom::Testing...` after it has been included has no effect on the
classes we wanted to patch, so just re-open the class here.

rails/jquery-rails,nicolasleger/jquery-rails,maclover7/jquery-rails,tricknotes/jquery-rails