fixtures

Problem this feature will solve

Given:

FactoryBot.define do
  user(factory: :author) { association(:author, role: role) }
end

DefinitionProxy#method_missing will declare the [association](https://github.com/thoughtbot/factory_bot/blob

Expected behavior

To add the field name to the exception that's raised when bakery can't handle a specific field type. Not having the field name in the exception forces the developer to inspect the model definition to figure out what's the name of the field they may want to add default values.

The ideal exception message could be something like:

TypeError: field field_name type <c