Remove un-used Keystone test path

This patch removes very old and unused Keystone test path, we do
this indirectly by our simple sanity tests (and hopefully) by using
Tempest.

Change-Id: I55916d08942df97990515c76914b799d1f327565

tests/clients.py

-#    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.
-
-
-from keystoneclient.v2_0 import client as ksclient
-import logging
-
-logging.basicConfig(level=logging.WARNING)
-LOG = logging.getLogger(__name__)
-
-
-class OpenStackClients(object):
-
-    def __init__(self):
-        self._connected_clients = {}
-        self._supported_clients = self.__class__.__subclasses__()
-        self.client = None
-
-    def get_client(self, name):
-        if name in self._connected_clients:
-            return self._connected_clients[name]
-        try:
-            aclass = next(s for s in self._supported_clients if name in
-                          s.__name__)
-            sclient = aclass()
-            connected_client = sclient.create()
-            self._connected_clients[name] = connected_client
-            return connected_client
-
-        except StopIteration:
-            LOG.warning("Requested client %s not found", name)
-            raise
-
-    def create(self):
-        pass
-
-
-class KeystoneClient(OpenStackClients):
-
-    def __init__(self):
-        super(KeystoneClient, self).__init__()
-        # TODO(Jeff Peeler): this shouldn't be hard coded
-        self.creds = {'auth_url': 'http://10.0.0.4:5000/v2.0',
-                      'username': 'admin',
-                      'password': 'steakfordinner',
-                      'tenant_name': 'admin'}
-
-    def create(self):
-        if self.client is None:
-            self.client = ksclient.Client(**self.creds)
-        return self.client
-
-
-if __name__ == '__main__':
-    # TODO(Jeff Peeler): mox this
-    client_mgr = OpenStackClients()
-    ks = client_mgr.get_client('KeystoneClient')
-    LOG.info(ks)
-    ks2 = client_mgr.get_client('KeystoneClient')
-    LOG.info(ks2)

tests/test_keystone.py

-#    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.
-
-from tests import clients
-import testtools
-
-
-# TODO(jeffrey4l): remove this skip when this test can passed.
-@testtools.skip
-class KeystoneTest(testtools.TestCase):
-    def setUp(self):
-        super(KeystoneTest, self).setUp()
-        self.kc = clients.OpenStackClients().get_client('KeystoneClient')
-
-    def test_tenants(self):
-        result = self.kc.tenants.list()
-        # only admin tenant
-        self.assertEqual(1, len(result))