Populater doesn't use after create callbacks

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I used populator for first time. Its cool and fills my database with test data very well. One of my models has an create after callback to create ten default assocciated datasets. My RSpec tests will test the presence of these default datasets. I can create these datas with populator. Perhaps there is a better way so I not have to change my populater rake task every time the after create method changes or other models get a callback method.