diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index 0e8f681..7509ac6 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -185,7 +185,7 @@
 
     @decorators.idempotent_id('73fe8f02-590d-4bf1-b184-e9ca81065051')
     @utils.services('network')
-    def test_create_list_show_delete_interfaces(self):
+    def test_create_list_show_delete_interfaces_by_network_port(self):
         server, ifs = self._create_server_get_interfaces()
         interface_count = len(ifs)
         self.assertGreater(interface_count, 0)
@@ -206,6 +206,42 @@
         iface = self._test_create_interface_by_port_id(server, ifs)
         ifs.append(iface)
 
+        _ifs = (self.interfaces_client.list_interfaces(server['id'])
+                ['interfaceAttachments'])
+        self._compare_iface_list(ifs, _ifs)
+
+        self._test_show_interface(server, ifs)
+
+        _ifs = self._test_delete_interface(server, ifs)
+        self.assertEqual(len(ifs) - 1, len(_ifs))
+
+    @decorators.idempotent_id('d290c06c-f5b3-11e7-8ec8-002293781009')
+    @utils.services('network')
+    def test_create_list_show_delete_interfaces_by_fixed_ip(self):
+        # NOTE(zhufl) By default only project that is admin or network owner
+        # or project with role advsvc is authorised to create interfaces with
+        # fixed-ip, so if we don't create network for each project, do not
+        # test _test_create_interface_by_fixed_ips.
+        if not (CONF.auth.use_dynamic_credentials and
+                CONF.auth.create_isolated_networks and
+                not CONF.network.shared_physical_network):
+                raise self.skipException("Only owner network supports "
+                                         "creating interface by fixed ip.")
+
+        server, ifs = self._create_server_get_interfaces()
+        interface_count = len(ifs)
+        self.assertGreater(interface_count, 0)
+
+        try:
+            iface = self._test_create_interface(server)
+        except lib_exc.BadRequest as e:
+            msg = ('Multiple possible networks found, use a Network ID to be '
+                   'more specific.')
+            if not CONF.compute.fixed_network_name and six.text_type(e) == msg:
+                raise
+        else:
+            ifs.append(iface)
+
         iface = self._test_create_interface_by_fixed_ips(server, ifs)
         ifs.append(iface)
 
diff --git a/tempest/tests/services/object_storage/test_object_client.py b/tempest/tests/services/object_storage/test_object_client.py
deleted file mode 100644
index 86535f9..0000000
--- a/tempest/tests/services/object_storage/test_object_client.py
+++ /dev/null
@@ -1,108 +0,0 @@
-# Copyright 2016 IBM Corp.
-# 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.
-
-
-import mock
-
-from tempest.lib import exceptions
-from tempest.services.object_storage import object_client
-from tempest.tests import base
-from tempest.tests.lib import fake_auth_provider
-
-
-class TestObjectClient(base.TestCase):
-
-    def setUp(self):
-        super(TestObjectClient, self).setUp()
-        self.fake_auth = fake_auth_provider.FakeAuthProvider()
-        self.url = self.fake_auth.base_url(None)
-        self.object_client = object_client.ObjectClient(self.fake_auth,
-                                                        'swift', 'region1')
-
-    @mock.patch.object(object_client, '_create_connection')
-    def test_create_object_continue_no_data(self, mock_poc):
-        self._validate_create_object_continue(None, mock_poc)
-
-    @mock.patch.object(object_client, '_create_connection')
-    def test_create_object_continue_with_data(self, mock_poc):
-        self._validate_create_object_continue('hello', mock_poc)
-
-    @mock.patch.object(object_client, '_create_connection')
-    def test_create_continue_with_no_continue_received(self, mock_poc):
-        self._validate_create_object_continue('hello', mock_poc,
-                                              initial_status=201)
-
-    def _validate_create_object_continue(self, req_data,
-                                         mock_poc, initial_status=100):
-
-        expected_hdrs = {
-            'X-Auth-Token': self.fake_auth.get_token(),
-            'content-length': 0 if req_data is None else len(req_data),
-            'Expect': '100-continue'}
-
-        # Setup the Mocks prior to invoking the object creation
-        mock_resp_cls = mock.Mock()
-        mock_resp_cls._read_status.return_value = ("1", initial_status, "OK")
-
-        mock_poc.return_value.response_class.return_value = mock_resp_cls
-
-        # This is the final expected return value
-        mock_poc.return_value.getresponse.return_value.status = 201
-        mock_poc.return_value.getresponse.return_value.reason = 'OK'
-
-        # Call method to PUT object using expect:100-continue
-        cnt = "container1"
-        obj = "object1"
-        path = "/%s/%s" % (cnt, obj)
-
-        # If the expected initial status is not 100, then an exception
-        # should be thrown and the connection closed
-        if initial_status is 100:
-            status, reason = \
-                self.object_client.create_object_continue(cnt, obj, req_data)
-        else:
-            self.assertRaises(exceptions.UnexpectedResponseCode,
-                              self.object_client.create_object_continue, cnt,
-                              obj, req_data)
-            mock_poc.return_value.close.assert_called_once_with()
-
-        # Verify that putrequest is called 1 time with the appropriate values
-        mock_poc.return_value.putrequest.assert_called_once_with('PUT', path)
-
-        # Verify that headers were written, including "Expect:100-continue"
-        calls = []
-
-        for header, value in expected_hdrs.items():
-            calls.append(mock.call(header, value))
-
-        mock_poc.return_value.putheader.assert_has_calls(calls, False)
-        mock_poc.return_value.endheaders.assert_called_once_with()
-
-        # The following steps are only taken if the initial status is 100
-        if initial_status is 100:
-            # Verify that the method returned what it was supposed to
-            self.assertEqual(status, 201)
-
-            # Verify that _safe_read was called once to remove the CRLF
-            # after the 100 response
-            mock_rc = mock_poc.return_value.response_class.return_value
-            mock_rc._safe_read.assert_called_once_with(2)
-
-            # Verify the actual data was written via send
-            mock_poc.return_value.send.assert_called_once_with(req_data)
-
-            # Verify that the getresponse method was called to receive
-            # the final
-            mock_poc.return_value.getresponse.assert_called_once_with()