def setUp(self):
        super(LimitsControllerTestV21, self).setUp()
        self.controller = wsgi.Resource(self.limits_controller())
        self.ctrler = self.limits_controller()
Given a roidb, construct a minibatch sampled from it.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/tests/unit/api/openstack/compute/test_limits.py/LimitsControllerTestV21.setUp--crossover with--dataset/ETHPy150Open rbgirshick/fast-rcnn/lib/roi_data_layer/minibatch.py/get_minibatch