no attribute '_setUpExtension'

[YAMAMOTO Takashi]

eg. http://logs.openstack.org/19/574219/1/gate/openstack-tox-py27/092df0f/testr_results.html.gz

ft1.1: neutron_taas.tests.unit.extensions.test_taas.TaasExtensionTestCase.test_delete_tap_service_StringException: Traceback (most recent call last):
  File "neutron_taas/tests/unit/extensions/test_taas.py", line 38, in setUp
    self._setUpExtension(
AttributeError: 'TaasExtensionTestCase' object has no attribute '_setUpExtension'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/605360

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/605360
Committed: https://git.openstack.org/cgit/openstack/tap-as-a-service/commit/?id=30809d7732659bb9b51e9e3c52b13bd6dd52e317
Submitter: Zuul
Branch: master

commit 30809d7732659bb9b51e9e3c52b13bd6dd52e317
Author: YAMAMOTO Takashi <email address hidden>
Date: Wed Sep 26 17:24:02 2018 +0900

    Update to use setup_extension

    Update after the removal of _setUpExtension. [1]

    [1] I8135fc4eb05e474db7224b7771b71270a93a47bf

    This commit includes the following unrelated change
    to pass the gate.
    ----------------------------------------
    Fix cover job

    Copy-and-paste from networking-midonet.

    Closes-Bug: #1794509
    Change-Id: I5ae3be917deb94673928a236662f953e4cd143ac
    ----------------------------------------

    Closes-Bug: #1794457
    Change-Id: Ia4d84c7f0dcea44e3131dd756853c003e9c8471d