pythonic method name style not following pep8 in test_ovs_tunnel.py

[ZhiQiang Fan]

currently, most neutron codes name method name following pep8 recommendation while some code in test_ovs_tunnel.py not, this is found while review https://review.openstack.org/#/c/45725/

ref: pep8 recommendation: http://www.python.org/dev/peps/pep-0008/#method-names-and-instance-variables

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/49682

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/49682
Committed: http://github.com/openstack/neutron/commit/520a5e2e5fa749cc3e505c6ae526171714cd6369
Submitter: Jenkins
Branch: master

commit 520a5e2e5fa749cc3e505c6ae526171714cd6369
Author: ZhiQiang Fan <email address hidden>
Date: Fri Oct 4 14:00:52 2013 +0800

    Pythonic method name for test_ovs_tunnel.py

    Change CamelCase to lowercase with words separated by underscores.

    Change-Id: Ieab8f8ad9affdb9290d13002e6b4b0d5a0185034
    Closes-Bug: #1235082