def disconnect_volume(self, connection_info, disk_dev):
        pass
Verify DeleteFormset ignores DELETE field and uses form method
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/volume/volume.py/LibvirtBaseVolumeDriver.disconnect_volume--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/tests/model_formsets_regress/tests.py/FormfieldShouldDeleteFormTests.test_custom_delete