diff --git a/HACKING.rst b/HACKING.rst
index e920634..7363e7f 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -111,9 +111,9 @@
 Negative Tests
 --------------
 Newly added negative tests should use the negative test framework. First step
-is to create an interface description in a json file under `etc/schemas`.
-These descriptions consists of two important sections for the test
-(one of those is mandatory):
+is to create an interface description in a python file under
+`tempest/api_schema/request/`. These descriptions consists of two important
+sections for the test (one of those is mandatory):
 
  - A resource (part of the URL of the request): Resources needed for a test
  must be created in `setUpClass` and registered with `set_resource` e.g.:
@@ -126,21 +126,17 @@
 
     load_tests = test.NegativeAutoTest.load_tests
 
-    class SampeTestNegativeTestJSON(<your base class>, test.NegativeAutoTest):
-        _interface = 'json'
+    @test.SimpleNegativeAutoTest
+    class SampleTestNegativeTestJSON(<your base class>, test.NegativeAutoTest):
         _service = 'compute'
-        _schema_file = <your Schema file>
+        _schema = <your schema file>
 
-Negative tests must be marked with a negative attribute::
-
-    @test.attr(type=['negative', 'gate'])
-    def test_get_console_output(self):
-        self.execute(self._schema_file)
+The class decorator `SimpleNegativeAutoTest` will automatically generate test
+cases out of the given schema in the attribute `_schema`.
 
 All negative tests should be added into a separate negative test file.
 If such a file doesn't exist for the particular resource being tested a new
-test file should be added. Old XML based negative tests can be kept but should
-be renamed to `_xml.py`.
+test file should be added.
 
 Test skips because of Known Bugs
 --------------------------------
diff --git a/tempest/api/compute/admin/test_flavors_negative.py b/tempest/api/compute/admin/test_flavors_negative.py
index 5bc3d10..fb27360 100644
--- a/tempest/api/compute/admin/test_flavors_negative.py
+++ b/tempest/api/compute/admin/test_flavors_negative.py
@@ -18,9 +18,13 @@
 from tempest.api.compute import base
 from tempest.api_schema.request.compute.v2 import flavors
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest import test
 
+
+CONF = config.CONF
+
 load_tests = test.NegativeAutoTest.load_tests
 
 
@@ -106,5 +110,5 @@
 class FlavorCreateNegativeTestJSON(base.BaseV2ComputeAdminTest,
                                    test.NegativeAutoTest):
     _interface = 'json'
-    _service = 'compute'
+    _service = CONF.compute.catalog_type
     _schema = flavors.flavor_create
diff --git a/tempest/api/compute/flavors/test_flavors_negative.py b/tempest/api/compute/flavors/test_flavors_negative.py
index cae1ac4..83f8e19 100644
--- a/tempest/api/compute/flavors/test_flavors_negative.py
+++ b/tempest/api/compute/flavors/test_flavors_negative.py
@@ -15,23 +15,26 @@
 
 from tempest.api.compute import base
 from tempest.api_schema.request.compute.v2 import flavors
+from tempest import config
 from tempest import test
 
 
+CONF = config.CONF
+
 load_tests = test.NegativeAutoTest.load_tests
 
 
 @test.SimpleNegativeAutoTest
 class FlavorsListWithDetailsNegativeTestJSON(base.BaseV2ComputeTest,
                                              test.NegativeAutoTest):
-    _service = 'compute'
+    _service = CONF.compute.catalog_type
     _schema = flavors.flavor_list
 
 
 @test.SimpleNegativeAutoTest
 class FlavorDetailsNegativeTestJSON(base.BaseV2ComputeTest,
                                     test.NegativeAutoTest):
-    _service = 'compute'
+    _service = CONF.compute.catalog_type
     _schema = flavors.flavors_details
 
     @classmethod
diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index 1a338bd..4e6dcda 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -219,7 +219,7 @@
         # Pass really long metadata while creating a server
 
         metadata = {'a': 'b' * 260}
-        self.assertRaises(exceptions.OverLimit,
+        self.assertRaises((exceptions.BadRequest, exceptions.OverLimit),
                           self.create_test_server,
                           meta=metadata)
 
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index ef7d22c..23df13d 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -38,7 +38,7 @@
             self.addCleanup(self._delete_policy, policy['id'])
             policy_ids.append(policy['id'])
         # List and Verify Policies
-        _, body = self.policy_client.list_policies()
+        body = self.policy_client.list_policies()
         for p in body:
             fetched_ids.append(p['id'])
         missing_pols = [p for p in policy_ids if p not in fetched_ids]
@@ -59,11 +59,11 @@
         self.assertEqual(policy_type, policy['type'])
         # Update policy
         update_type = data_utils.rand_name('UpdatedPolicyType-')
-        _, data = self.policy_client.update_policy(
+        data = self.policy_client.update_policy(
             policy['id'], type=update_type)
         self.assertIn('type', data)
         # Assertion for updated value with fetched value
-        _, fetched_policy = self.policy_client.get_policy(policy['id'])
+        fetched_policy = self.policy_client.get_policy(policy['id'])
         self.assertIn('id', fetched_policy)
         self.assertIn('blob', fetched_policy)
         self.assertIn('type', fetched_policy)
diff --git a/tempest/api/network/test_security_groups_negative.py b/tempest/api/network/test_security_groups_negative.py
index 4626aae..b9e8666 100644
--- a/tempest/api/network/test_security_groups_negative.py
+++ b/tempest/api/network/test_security_groups_negative.py
@@ -138,6 +138,7 @@
 
         # Create rule for icmp protocol with invalid ports
         states = [(1, 256, 'Invalid value for ICMP code'),
+                  (None, 6, 'ICMP type (port-range-min) is missing'),
                   (300, 1, 'Invalid value for ICMP type')]
         for pmin, pmax, msg in states:
             ex = self.assertRaises(
diff --git a/tempest/api_schema/response/compute/services.py b/tempest/api_schema/response/compute/services.py
index fc42b89..6f361ef 100644
--- a/tempest/api_schema/response/compute/services.py
+++ b/tempest/api_schema/response/compute/services.py
@@ -22,7 +22,8 @@
                 'items': {
                     'type': 'object',
                     'properties': {
-                        'id': {'type': 'integer'},
+                        'id': {'type': ['integer', 'string'],
+                               'pattern': '^[a-zA-Z!]*@[0-9]+$'},
                         'zone': {'type': 'string'},
                         'host': {'type': 'string'},
                         'state': {'type': 'string'},
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index a305e42..f36ef56 100755
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -9,7 +9,7 @@
 #
 # 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
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 # License for the specific language governing permissions and limitations
 # under the License.
 
@@ -36,14 +36,14 @@
 **NOTE**: The _tenants_to_clean array in dry-run.json lists the
 tenants that cleanup will loop through and delete child objects, not
 delete the tenant itself. This may differ from the tenants array as you
-can clean the tempest and alternate tempest tenants but not delete the
-tenants themselves.  This is actually the default behavior.
+can clean the tempest and alternate tempest tenants but by default,
+cleanup deletes the objects in the tempest and alternate tempest tenants
+but does not delete those tenants unless the --delete-tempest-conf-objects
+flag is used to force their deletion.
 
 **Normal mode**: running with no arguments, will query your deployment and
-build a list of objects to delete after filtering out out the objects
-found in saved_state.json and based on the
---preserve-tempest-conf-objects and
---delete-tempest-conf-objects flags.
+build a list of objects to delete after filtering out the objects found in
+saved_state.json and based on the --delete-tempest-conf-objects flag.
 
 By default the tempest and alternate tempest users and tenants are not
 deleted and the admin user specified in tempest.conf is never deleted.
@@ -84,7 +84,6 @@
         # available services
         self.tenant_services = cleanup_service.get_tenant_cleanup_services()
         self.global_services = cleanup_service.get_global_cleanup_services()
-        cleanup_service.init_conf()
 
     def run(self):
         opts = self.options
@@ -98,7 +97,7 @@
     def _cleanup(self):
         LOG.debug("Begin cleanup")
         is_dry_run = self.options.dry_run
-        is_preserve = self.options.preserve_tempest_conf_objects
+        is_preserve = not self.options.delete_tempest_conf_objects
         is_save_state = False
 
         if is_dry_run:
@@ -149,7 +148,7 @@
         LOG.debug("Cleaning tenant:  %s " % tenant['name'])
         is_dry_run = self.options.dry_run
         dry_run_data = self.dry_run_data
-        is_preserve = self.options.preserve_tempest_conf_objects
+        is_preserve = not self.options.delete_tempest_conf_objects
         tenant_id = tenant['id']
         tenant_name = tenant['name']
         tenant_data = None
@@ -194,23 +193,16 @@
                             dest='init_saved_state', default=False,
                             help="Creates JSON file: " + SAVED_STATE_JSON +
                             ", representing the current state of your "
-                            "deployment,  specifically objects types "
-                            "Tempest creates and destroys during a run. "
+                            "deployment,  specifically object types "
+                            "tempest creates and destroys during a run. "
                             "You must run with this flag prior to "
-                            "executing cleanup.")
-        parser.add_argument('--preserve-tempest-conf-objects',
-                            action="store_true",
-                            dest='preserve_tempest_conf_objects',
-                            default=True, help="Do not delete the "
-                            "tempest and alternate tempest users and "
-                            "tenants, so they may be used for future "
-                            "tempest runs. By default this is argument "
-                            "is true.")
+                            "executing cleanup in normal mode, which is with "
+                            "no arguments.")
         parser.add_argument('--delete-tempest-conf-objects',
-                            action="store_false",
-                            dest='preserve_tempest_conf_objects',
+                            action="store_true",
+                            dest='delete_tempest_conf_objects',
                             default=False,
-                            help="Delete the tempest and "
+                            help="Force deletion of the tempest and "
                             "alternate tempest users and tenants.")
         parser.add_argument('--dry-run', action="store_true",
                             dest='dry_run', default=False,
@@ -291,6 +283,7 @@
 
 
 def main():
+    cleanup_service.init_conf()
     cleanup = Cleanup()
     cleanup.run()
     LOG.info('Cleanup finished!')
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 8adfbef..67843e6 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright 2014 Dell Inc.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -12,6 +14,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest import clients
 from tempest import config
 from tempest.openstack.common import log as logging
 from tempest import test
@@ -19,13 +22,14 @@
 LOG = logging.getLogger(__name__)
 CONF = config.CONF
 
-CONF_USERS = None
-CONF_TENANTS = None
-CONF_PUB_NETWORK = None
-CONF_PRIV_NETWORK_NAME = None
-CONF_PUB_ROUTER = None
 CONF_FLAVORS = None
 CONF_IMAGES = None
+CONF_NETWORKS = []
+CONF_PRIV_NETWORK_NAME = None
+CONF_PUB_NETWORK = None
+CONF_PUB_ROUTER = None
+CONF_TENANTS = None
+CONF_USERS = None
 
 IS_CEILOMETER = None
 IS_CINDER = None
@@ -36,14 +40,15 @@
 
 
 def init_conf():
-    global CONF_USERS
-    global CONF_TENANTS
-    global CONF_PUB_NETWORK
-    global CONF_PRIV_NETWORK_NAME
-    global CONF_PUB_ROUTER
     global CONF_FLAVORS
     global CONF_IMAGES
-
+    global CONF_NETWORKS
+    global CONF_PRIV_NETWORK
+    global CONF_PRIV_NETWORK_NAME
+    global CONF_PUB_NETWORK
+    global CONF_PUB_ROUTER
+    global CONF_TENANTS
+    global CONF_USERS
     global IS_CEILOMETER
     global IS_CINDER
     global IS_GLANCE
@@ -51,17 +56,6 @@
     global IS_NEUTRON
     global IS_NOVA
 
-    CONF_USERS = [CONF.identity.admin_username, CONF.identity.username,
-                  CONF.identity.alt_username]
-    CONF_TENANTS = [CONF.identity.admin_tenant_name,
-                    CONF.identity.tenant_name,
-                    CONF.identity.alt_tenant_name]
-    CONF_PUB_NETWORK = CONF.network.public_network_id
-    CONF_PRIV_NETWORK_NAME = CONF.compute.fixed_network_name
-    CONF_PUB_ROUTER = CONF.network.public_router_id
-    CONF_FLAVORS = [CONF.compute.flavor_ref, CONF.compute.flavor_ref_alt]
-    CONF_IMAGES = [CONF.compute.image_ref, CONF.compute.image_ref_alt]
-
     IS_CEILOMETER = CONF.service_available.ceilometer
     IS_CINDER = CONF.service_available.cinder
     IS_GLANCE = CONF.service_available.glance
@@ -69,6 +63,38 @@
     IS_NEUTRON = CONF.service_available.neutron
     IS_NOVA = CONF.service_available.nova
 
+    CONF_FLAVORS = [CONF.compute.flavor_ref, CONF.compute.flavor_ref_alt]
+    CONF_IMAGES = [CONF.compute.image_ref, CONF.compute.image_ref_alt]
+    CONF_PRIV_NETWORK_NAME = CONF.compute.fixed_network_name
+    CONF_PUB_NETWORK = CONF.network.public_network_id
+    CONF_PUB_ROUTER = CONF.network.public_router_id
+    CONF_TENANTS = [CONF.identity.admin_tenant_name,
+                    CONF.identity.tenant_name,
+                    CONF.identity.alt_tenant_name]
+    CONF_USERS = [CONF.identity.admin_username, CONF.identity.username,
+                  CONF.identity.alt_username]
+
+    if IS_NEUTRON:
+        CONF_PRIV_NETWORK = _get_priv_net_id(CONF.compute.fixed_network_name,
+                                             CONF.identity.tenant_name)
+        CONF_NETWORKS = [CONF_PUB_NETWORK, CONF_PRIV_NETWORK]
+
+
+def _get_priv_net_id(prv_net_name, tenant_name):
+    am = clients.AdminManager()
+    net_cl = am.network_client
+    id_cl = am.identity_client
+
+    _, networks = net_cl.list_networks()
+    tenant = id_cl.get_tenant_by_name(tenant_name)
+    t_id = tenant['id']
+    n_id = None
+    for net in networks['networks']:
+        if (net['tenant_id'] == t_id and net['name'] == prv_net_name):
+            n_id = net['id']
+            break
+    return n_id
+
 
 class BaseService(object):
     def __init__(self, kwargs):
@@ -84,11 +110,8 @@
                 or 'tenant_id' not in item_list[0]):
             return item_list
 
-        _filtered_list = []
-        for item in item_list:
-            if item['tenant_id'] == self.tenant_id:
-                _filtered_list.append(item)
-        return _filtered_list
+        return [item for item in item_list
+                if item['tenant_id'] == self.tenant_id]
 
     def list(self):
         pass
@@ -325,6 +348,13 @@
         super(NetworkService, self).__init__(kwargs)
         self.client = manager.network_client
 
+    def _filter_by_conf_networks(self, item_list):
+        if not item_list or not all(('network_id' in i for i in item_list)):
+            return item_list
+
+        return [item for item in item_list if item['network_id']
+                not in CONF_NETWORKS]
+
     def list(self):
         client = self.client
         _, networks = client.list_networks()
@@ -332,8 +362,7 @@
         # filter out networks declared in tempest.conf
         if self.is_preserve:
             networks = [network for network in networks
-                        if (network['name'] != CONF_PRIV_NETWORK_NAME
-                            and network['id'] != CONF_PUB_NETWORK)]
+                        if network['id'] not in CONF_NETWORKS]
         LOG.debug("List count, %s Networks" % networks)
         return networks
 
@@ -527,7 +556,7 @@
                 for port in ports:
                     subid = port['fixed_ips'][0]['subnet_id']
                     client.remove_router_interface_with_subnet_id(rid, subid)
-                    client.delete_router(rid)
+                client.delete_router(rid)
             except Exception as e:
                 LOG.exception("Delete Router exception: %s" % e)
                 pass
@@ -694,6 +723,8 @@
         _, ports = client.list_ports()
         ports = ports['ports']
         ports = self._filter_by_tenant_id(ports)
+        if self.is_preserve:
+            ports = self._filter_by_conf_networks(ports)
         LOG.debug("List count, %s Ports" % len(ports))
         return ports
 
@@ -719,6 +750,8 @@
         _, subnets = client.list_subnets()
         subnets = subnets['subnets']
         subnets = self._filter_by_tenant_id(subnets)
+        if self.is_preserve:
+            subnets = self._filter_by_conf_networks(subnets)
         LOG.debug("List count, %s Subnets" % len(subnets))
         return subnets
 
diff --git a/tempest/common/rest_client.py b/tempest/common/rest_client.py
index f4fe92b..ac1217c 100644
--- a/tempest/common/rest_client.py
+++ b/tempest/common/rest_client.py
@@ -53,7 +53,7 @@
 
 
 class ResponseBody(dict):
-    """Class that wraps an http response and body into a single value.
+    """Class that wraps an http response and dict body into a single value.
 
     Callers that receive this object will normally use it as a dict but
     can extract the response if needed.
@@ -69,6 +69,23 @@
         return "response: %s\nBody: %s" % (self.response, body)
 
 
+class ResponseBodyList(list):
+    """Class that wraps an http response and list body into a single value.
+
+    Callers that receive this object will normally use it as a list but
+    can extract the response if needed.
+    """
+
+    def __init__(self, response, body=None):
+        body_data = body or []
+        self.extend(body_data)
+        self.response = response
+
+    def __str__(self):
+        body = super.__str__(self)
+        return "response: %s\nBody: %s" % (self.response, body)
+
+
 class RestClient(object):
 
     TYPE = "json"
diff --git a/tempest/scenario/test_dashboard_basic_ops.py b/tempest/scenario/test_dashboard_basic_ops.py
index 1a10b79..2014293 100644
--- a/tempest/scenario/test_dashboard_basic_ops.py
+++ b/tempest/scenario/test_dashboard_basic_ops.py
@@ -65,7 +65,7 @@
 
     def check_login_page(self):
         response = urllib2.urlopen(CONF.dashboard.dashboard_url)
-        self.assertIn("<h3>Log In</h3>", response.read())
+        self.assertIn("Log In", response.read())
 
     def user_login(self):
         self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor())
diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index 91b95a8..e9fa960 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -12,6 +12,7 @@
 #    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 tempest_lib import exceptions
 
 from tempest.common.utils import data_utils
 from tempest import config
@@ -44,6 +45,22 @@
                                     "instances")
         cls.set_network_resources()
         super(TestLargeOpsScenario, cls).resource_setup()
+        # list of cleanup calls to be executed in reverse order
+        cls._cleanup_resources = []
+
+    @classmethod
+    def resource_cleanup(cls):
+        while cls._cleanup_resources:
+            function, args, kwargs = cls._cleanup_resources.pop(-1)
+            try:
+                function(*args, **kwargs)
+            except exceptions.NotFound:
+                pass
+        super(TestLargeOpsScenario, cls).resource_cleanup()
+
+    @classmethod
+    def addCleanupClass(cls, function, *arguments, **keywordArguments):
+        cls._cleanup_resources.append((function, arguments, keywordArguments))
 
     def _wait_for_server_status(self, status):
         for server in self.servers:
@@ -54,7 +71,14 @@
     def nova_boot(self):
         name = data_utils.rand_name('scenario-server-')
         flavor_id = CONF.compute.flavor_ref
-        secgroup = self._create_security_group()
+        # Explicitly create secgroup to avoid cleanup at the end of testcases.
+        # Since no traffic is tested, we don't need to actually add rules to
+        # secgroup
+        _, secgroup = self.security_groups_client.create_security_group(
+            'secgroup-%s' % name, 'secgroup-desc-%s' % name)
+        self.addCleanupClass(self.security_groups_client.delete_security_group,
+                             secgroup['id'])
+
         self.servers_client.create_server(
             name,
             self.image,
@@ -68,15 +92,12 @@
         for server in self.servers:
             # after deleting all servers - wait for all servers to clear
             # before cleanup continues
-            self.addCleanup(self.servers_client.wait_for_server_termination,
-                            server['id'])
+            self.addCleanupClass(self.servers_client.
+                                 wait_for_server_termination,
+                                 server['id'])
         for server in self.servers:
-            self.addCleanup_with_wait(
-                waiter_callable=(self.servers_client.
-                                 wait_for_server_termination),
-                thing_id=server['id'], thing_id_param='server_id',
-                cleanup_callable=self.delete_wrapper,
-                cleanup_args=[self.servers_client.delete_server, server['id']])
+            self.addCleanupClass(self.servers_client.delete_server,
+                                 server['id'])
         self._wait_for_server_status('ACTIVE')
 
     def _large_ops_scenario(self):
diff --git a/tempest/scenario/test_load_balancer_basic.py b/tempest/scenario/test_load_balancer_basic.py
index d061406..7240208 100644
--- a/tempest/scenario/test_load_balancer_basic.py
+++ b/tempest/scenario/test_load_balancer_basic.py
@@ -125,8 +125,8 @@
         keypair = self.create_keypair()
         security_groups = [self.security_group]
         create_kwargs = {
-            'nics': [
-                {'net-id': self.network['id']},
+            'networks': [
+                {'uuid': self.network['id']},
             ],
             'key_name': keypair['name'],
             'security_groups': security_groups,
@@ -170,9 +170,9 @@
                 private_key=private_key)
 
             # Write a backend's response into a file
-            resp = """echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n""" \
-                   """Connection: close\r\nContent-Type: text/html; """ \
-                   """charset=UTF-8\r\n\r\n%s"; cat >/dev/null"""
+            resp = ('echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n'
+                    'Connection: close\r\nContent-Type: text/html; '
+                    'charset=UTF-8\r\n\r\n%s"; cat >/dev/null')
 
             with tempfile.NamedTemporaryFile() as script:
                 script.write(resp % server_name)
@@ -186,8 +186,9 @@
                                                username, key.name)
 
             # Start netcat
-            start_server = """sudo nc -ll -p %(port)s -e sh """ \
-                           """/tmp/%(script)s &"""
+            start_server = ('while true; do '
+                            'sudo nc -l -p %(port)s -e sh /tmp/%(script)s; '
+                            'done &')
             cmd = start_server % {'port': self.port1,
                                   'script': 'script1'}
             ssh_client.exec_command(cmd)
@@ -215,6 +216,8 @@
                 return False
             except IOError:
                 return False
+            except urllib2.HTTPError:
+                return False
         timeout = config.compute.ping_timeout
         start = time.time()
         while not try_connect(check_ip, port):
@@ -297,8 +300,13 @@
     def _send_requests(self, vip_ip, servers):
         counters = dict.fromkeys(servers, 0)
         for i in range(self.num):
-            server = urllib2.urlopen("http://{0}/".format(vip_ip)).read()
-            counters[server] += 1
+            try:
+                server = urllib2.urlopen("http://{0}/".format(vip_ip)).read()
+                counters[server] += 1
+            # HTTP exception means fail of server, so don't increase counter
+            # of success and continue connection tries
+            except urllib2.HTTPError:
+                continue
         # Assert that each member of the pool gets balanced at least once
         for member, counter in counters.iteritems():
             self.assertGreater(counter, 0, 'Member %s never balanced' % member)
diff --git a/tempest/services/identity/v3/json/policy_client.py b/tempest/services/identity/v3/json/policy_client.py
index 41b0b59..579243c 100644
--- a/tempest/services/identity/v3/json/policy_client.py
+++ b/tempest/services/identity/v3/json/policy_client.py
@@ -46,7 +46,7 @@
         resp, body = self.get('policies')
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['policies']
+        return rest_client.ResponseBodyList(resp, body['policies'])
 
     def get_policy(self, policy_id):
         """Lists out the given policy."""
@@ -54,7 +54,7 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['policy']
+        return rest_client.ResponseBody(resp, body['policy'])
 
     def update_policy(self, policy_id, **kwargs):
         """Updates a policy."""
@@ -67,11 +67,11 @@
         resp, body = self.patch(url, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['policy']
+        return rest_client.ResponseBody(resp, body['policy'])
 
     def delete_policy(self, policy_id):
         """Deletes the policy."""
         url = "policies/%s" % policy_id
         resp, body = self.delete(url)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/test.py b/tempest/test.py
index 14cf3bb..7db0376 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -414,12 +414,8 @@
         else:
             standard_tests, module, loader = args
         for test in testtools.iterate_tests(standard_tests):
-            schema_file = getattr(test, '_schema_file', None)
             schema = getattr(test, '_schema', None)
-            if schema_file is not None:
-                setattr(test, 'scenarios',
-                        NegativeAutoTest.generate_scenario(schema_file))
-            elif schema is not None:
+            if schema is not None:
                 setattr(test, 'scenarios',
                         NegativeAutoTest.generate_scenario(schema))
         return testscenarios.load_tests_apply_scenarios(*args)