This will find all data generators that can be used in behat via the
'the following "something" exist:' step, and display them in a select
list on the step definitions page.
When a generator is selected, it will fetch the required fields for that
generator and display them on the page.
This extends the step
Given the following "users" exist:
to also support things like
Given the following "mod_quiz > user overrides" exist:
Instructions are on the behat_data_generators and
behat_generator_base classes.