def check_can_live_migrate_source(self, context, instance,
                                      dest_check_data, block_device_info=None):
        return self._vmops.check_can_live_migrate_source(context, instance,
                                                         dest_check_data)
mkdir is a noop.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/xenapi/driver.py/XenAPIDriver.check_can_live_migrate_source--crossover with--dataset/ETHPy150Open spotify/luigi/luigi/mock.py/MockFileSystem.mkdir