Order imports in alphabetical order (8/9)

This patch is one in a series to re-enable H306 style check rule
(imports are in alphabetical order).
It touches second half of tests (starting from test_n*).

Implements: blueprint reduce-flake8-ignored-rules (partial)
Change-Id: I5561d90a67eb5dc882200d432fda6b162011ac41

heat/tests/test_nested_stack.py

@@ -28,9 +28,9 @@
 from heat.engine import parser
 from heat.engine import resource
 from heat.engine import scheduler
+from heat.tests.common import HeatTestCase
 from heat.tests import generic_resource as generic_rsrc
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
 
 
 class NestedStackTest(HeatTestCase):

heat/tests/test_neutron.py

@@ -12,21 +12,21 @@
 #    under the License.
 
 import copy
-import mox
 
+import mox
 from testtools import skipIf
 
-from heat.engine import clients
 from heat.common import exception
 from heat.common import template_format
+from heat.engine import clients
 from heat.engine import properties
 from heat.engine import resource
-from heat.engine import scheduler
 from heat.engine.resources.neutron import net
+from heat.engine.resources.neutron.neutron import NeutronResource as qr
 from heat.engine.resources.neutron import provider_net
-from heat.engine.resources.neutron import subnet
 from heat.engine.resources.neutron import router
-from heat.engine.resources.neutron.neutron import NeutronResource as qr
+from heat.engine.resources.neutron import subnet
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
 from heat.tests.common import HeatTestCase
 from heat.tests import fakes

heat/tests/test_neutron_autoscaling.py

@@ -12,10 +12,11 @@
 #    under the License.
 
 import copy
-from testtools import skipIf
+import uuid
+
 import mox
 from oslo.config import cfg
-import uuid
+from testtools import skipIf
 
 from heat.common import template_format
 from heat.db import api as db_api

heat/tests/test_neutron_firewall.py

@@ -18,12 +18,12 @@
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources.neutron import firewall
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
+from heat.tests.common import HeatTestCase
 from heat.tests import fakes
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
 
 neutronclient = try_import('neutronclient.v2_0.client')
 

heat/tests/test_neutron_loadbalancer.py

@@ -19,12 +19,12 @@
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources.neutron import loadbalancer
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
+from heat.tests.common import HeatTestCase
 from heat.tests import fakes
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
 from heat.tests.v1_1 import fakes as nova_fakes
 
 neutronclient = try_import('neutronclient.v2_0.client')

heat/tests/test_neutron_metering.py

@@ -15,12 +15,12 @@
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources.neutron import metering
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
+from heat.tests.common import HeatTestCase
 from heat.tests import fakes
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
 
 neutronclient = try_import('neutronclient.v2_0.client')
 

heat/tests/test_neutron_network_gateway.py

@@ -14,18 +14,18 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
+from mox import IgnoreArg
 from testtools import skipIf
 
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources.neutron import network_gateway
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
+from heat.tests.common import HeatTestCase
 from heat.tests import fakes
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
-from mox import IgnoreArg
 
 neutronclient = try_import('neutronclient.v2_0.client')
 neutronV20 = try_import('neutronclient.neutron.v2_0')

heat/tests/test_neutron_security_group.py

@@ -11,20 +11,20 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from neutronclient.common.exceptions import NeutronClientException
+from neutronclient.v2_0 import client as neutronclient
+from novaclient.v1_1 import security_group_rules as nova_sgr
+from novaclient.v1_1 import security_groups as nova_sg
+
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
 from heat.engine import parser
 from heat.engine import scheduler
 from heat.tests.common import HeatTestCase
 from heat.tests.fakes import FakeKeystoneClient
-from heat.tests.v1_1 import fakes
 from heat.tests import utils
-
-from novaclient.v1_1 import security_groups as nova_sg
-from novaclient.v1_1 import security_group_rules as nova_sgr
-from neutronclient.common.exceptions import NeutronClientException
-from neutronclient.v2_0 import client as neutronclient
+from heat.tests.v1_1 import fakes
 
 
 class SecurityGroupTest(HeatTestCase):

heat/tests/test_neutron_vpnservice.py

@@ -18,12 +18,12 @@
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources.neutron import vpnservice
+from heat.engine import scheduler
 from heat.openstack.common.importutils import try_import
+from heat.tests.common import HeatTestCase
 from heat.tests import fakes
 from heat.tests import utils
-from heat.tests.common import HeatTestCase
 
 
 neutronclient = try_import('neutronclient.v2_0.client')

heat/tests/test_nokey.py

@@ -11,14 +11,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from heat.tests.v1_1 import fakes
-from heat.engine.resources import instance as instances
-from heat.engine.resources import nova_utils
 from heat.common import template_format
 from heat.engine import clients
+from heat.engine.resources import instance as instances
+from heat.engine.resources import nova_utils
 from heat.engine import scheduler
 from heat.tests.common import HeatTestCase
 from heat.tests import utils
+from heat.tests.v1_1 import fakes
 
 
 nokey_template = '''

heat/tests/test_notifications.py

@@ -11,34 +11,30 @@
 #    under the License.
 
 import mock
-
 from oslo.config import cfg
 
-from heat.openstack.common import timeutils
 
 from heat.common import exception
 from heat.common import template_format
 from heat.engine import environment
 from heat.engine import parser
 from heat.engine import resource
-
 # imports for mocking
-from heat.engine import signal_responder as signal
-from heat.engine import stack_resource
 from heat.engine.resources import autoscaling
 from heat.engine.resources import image
 from heat.engine.resources import instance
 from heat.engine.resources import loadbalancer
 from heat.engine.resources import nova_keypair
 from heat.engine.resources import user
 from heat.engine.resources import wait_condition as waitc
-
-from heat.tests import generic_resource
-from heat.tests import utils
+from heat.engine import signal_responder as signal
+from heat.engine import stack_resource
+from heat.openstack.common import timeutils
 from heat.tests import common
-
+from heat.tests import generic_resource
 # reuse the same template than autoscaling tests
 from heat.tests.test_autoscaling import as_template
+from heat.tests import utils
 
 
 class NotificationTest(common.HeatTestCase):

heat/tests/test_nova_floatingip.py

@@ -10,16 +10,16 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from novaclient.v1_1 import client as novaclient
+
 from heat.common import template_format
+from heat.engine import clients
 from heat.engine.resources.nova_floatingip import NovaFloatingIp
 from heat.engine.resources.nova_floatingip import NovaFloatingIpAssociation
-from heat.engine import clients
 from heat.engine import scheduler
 from heat.tests.common import HeatTestCase
 from heat.tests import utils
 
-from novaclient.v1_1 import client as novaclient
-
 
 floating_ip_template = '''
 {

heat/tests/test_nova_keypair.py

@@ -17,11 +17,11 @@
 from novaclient import exceptions as nova_exceptions
 
 from heat.engine import clients
-from heat.engine import scheduler
 from heat.engine.resources import nova_keypair
+from heat.engine import scheduler
 from heat.tests.common import HeatTestCase
-from heat.tests.v1_1 import fakes
 from heat.tests import utils
+from heat.tests.v1_1 import fakes
 
 
 class NovaKeyPairTest(HeatTestCase):

heat/tests/test_os_database.py

@@ -15,11 +15,11 @@
 
 from heat.common import exception
 from heat.common import template_format
+from heat.engine.clients import troveclient
 from heat.engine import environment
 from heat.engine import parser
-from heat.engine import scheduler
-from heat.engine.clients import troveclient
 from heat.engine.resources import os_database
+from heat.engine import scheduler
 from heat.tests.common import HeatTestCase
 from heat.tests import utils
 

heat/tests/test_parameters.py

@@ -11,15 +11,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import json
 
 import testtools
-import json
 
 from heat.common import exception
 from heat.common import identifier
+from heat.engine import constraints as constr
 from heat.engine import parameters
 from heat.engine import template
-from heat.engine import constraints as constr
 
 
 class ParameterTest(testtools.TestCase):

heat/tests/test_parser.py

@@ -12,35 +12,32 @@
 #    under the License.
 
 import json
-import mock
 import time
 
 from keystoneclient import exceptions as kc_exceptions
+import mock
 from mox import IgnoreArg
 from oslo.config import cfg
 from six.moves import xrange
 
-from heat.engine import environment
 from heat.common import exception
 from heat.common import template_format
 from heat.common import urlfetch
+import heat.db.api as db_api
+import heat.engine.cfn.functions
 from heat.engine import clients
+from heat.engine import environment
 from heat.engine import function
-from heat.engine import resource
 from heat.engine import parameters
 from heat.engine import parser
+from heat.engine import resource
 from heat.engine import scheduler
 from heat.engine import template
-
-import heat.engine.cfn.functions
-
-from heat.tests.fakes import FakeKeystoneClient
 from heat.tests.common import HeatTestCase
+from heat.tests.fakes import FakeKeystoneClient
+from heat.tests import generic_resource as generic_rsrc
 from heat.tests import utils
 from heat.tests.v1_1 import fakes
-from heat.tests import generic_resource as generic_rsrc
-
-import heat.db.api as db_api
 
 
 def join(raw):

heat/tests/test_plugin_loader.py

@@ -14,10 +14,11 @@
 
 import pkgutil
 import sys
+
 import testtools
 
-import heat.engine
 from heat.common import plugin_loader
+import heat.engine
 
 
 class PluginLoaderTest(testtools.TestCase):

heat/tests/test_properties.py

@@ -11,15 +11,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
 
-from heat.engine import constraints
 from heat.common import exception
+from heat.engine import constraints
 from heat.engine.hot import parameters as hot_param
 from heat.engine import parameters
 from heat.engine import properties
 from heat.engine import resources
 from heat.engine import support
-import testtools
 
 
 class PropertySchemaTest(testtools.TestCase):

heat/tests/test_provider_template.py

@@ -11,15 +11,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import json
 import os
 import uuid
-import json
 
 import testscenarios
 
 from heat.common import exception
-from heat.common import urlfetch
 from heat.common import template_format
+from heat.common import urlfetch
 
 from heat.engine import environment
 from heat.engine import parser
@@ -28,8 +28,8 @@
 from heat.engine import resources
 from heat.engine.resources import template_resource
 
-from heat.tests import generic_resource as generic_rsrc
 from heat.tests.common import HeatTestCase
+from heat.tests import generic_resource as generic_rsrc
 from heat.tests import utils