objects created by find_or_create_by_ methods do not call after_initalize/after_create

class MyModel < ActiveRecord::Base

def after_initialize
  attrib1 = 'value'
end

end

class MyModelTest < ActiveSupport::TestCase

test "attrib should be value"
  test_model = MyModel.find_or_create_by_attrib2('I like cats')
  assert_equal 'value', test_model.attrib1
end

end