Removed test_lib module

It's not really needed. It was once used to allow some out-of-tox plugin
specific testing scripts to inject configuration files into
BaseTestCase.

Now, our testing story does not have any notion of out-of-gate plugin
specific testing, so let's just clean it up.

Change-Id: If287a38e80016b1dba049a2b745bad7af40583a8

neutron/common/test_lib.py

@@ -1,42 +0,0 @@
-# Copyright (c) 2010 OpenStack Foundation
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
-
-# Colorizer Code is borrowed from Twisted:
-# Copyright (c) 2001-2010 Twisted Matrix Laboratories.
-#
-#    Permission is hereby granted, free of charge, to any person obtaining
-#    a copy of this software and associated documentation files (the
-#    "Software"), to deal in the Software without restriction, including
-#    without limitation the rights to use, copy, modify, merge, publish,
-#    distribute, sublicense, and/or sell copies of the Software, and to
-#    permit persons to whom the Software is furnished to do so, subject to
-#    the following conditions:
-#
-#    The above copyright notice and this permission notice shall be
-#    included in all copies or substantial portions of the Software.
-#
-#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-#    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-#    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-#    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-#    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-#    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-#    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-# describes parameters used by different unit/functional tests
-# a plugin-specific testing mechanism should import this dictionary
-# and override the values in it if needed (e.g., run_tests.py in
-# neutron/plugins/openvswitch/ )
-test_config = {}

neutron/tests/unit/db/test_db_base_plugin_v2.py

@@ -22,7 +22,6 @@ import netaddr
 from oslo_config import cfg
 from oslo_db import exception as db_exc
 from oslo_utils import importutils
-import six
 from sqlalchemy import orm
 from testtools import matchers
 import webob.exc
@@ -37,7 +36,6 @@ from neutron.callbacks import registry
 from neutron.common import constants
 from neutron.common import exceptions as n_exc
 from neutron.common import ipv6_utils
-from neutron.common import test_lib
 from neutron.common import utils
 from neutron import context
 from neutron.db import db_base_plugin_v2
@@ -106,11 +104,8 @@ class NeutronDbPluginV2TestCase(testlib_api.WebTestCase):
 
         # Update the plugin
         self.setup_coreplugin(plugin)
-        cfg.CONF.set_override(
-            'service_plugins',
-            [test_lib.test_config.get(key, default)
-             for key, default in six.iteritems(service_plugins or {})]
-        )
+        service_plugins = (service_plugins or {}).values()
+        cfg.CONF.set_override('service_plugins', list(service_plugins))
 
         cfg.CONF.set_override('base_mac', "12:34:56:78:90:ab")
         cfg.CONF.set_override('max_dns_nameservers', 2)
@@ -162,14 +157,6 @@ class NeutronDbPluginV2TestCase(testlib_api.WebTestCase):
         self.ext_api = None
         super(NeutronDbPluginV2TestCase, self).tearDown()
 
-    def setup_config(self):
-        # Create the default configurations
-        args = ['--config-file', base.etcdir('neutron.conf')]
-        # If test_config specifies some config-file, use it, as well
-        for config_file in test_lib.test_config.get('config_files', []):
-            args.extend(['--config-file', config_file])
-        super(NeutronDbPluginV2TestCase, self).setup_config(args=args)
-
     def _req(self, method, resource, data=None, fmt=None, id=None, params=None,
              action=None, subresource=None, sub_id=None, context=None):
         fmt = fmt or self.fmt