def stubout_lookup_image(stubs):
    def f(_1, _2, _3, _4):
        raise Exception("Test Exception raised by fake lookup_image")
    stubs.Set(vm_utils, 'lookup_image', f)
Test that horizontal corridor with bend can be made
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/tests/unit/virt/xenapi/stubs.py/stubout_lookup_image--crossover with--dataset/ETHPy150Open tuturto/pyherc/src/pyherc/test/unit/test_corridor.py/TestCorridor.test_bent_vertical