Rename create_networks to correct name as per its functionality

create_networks() method create network, subnet, router and connect
it to router but its name is sounds like it will create more than one
network. This also confusing with existing create_network() method
(without 's').

Renaming this to setup_network_subnet_with_router() which is what
this function does.

Implements: blueprint tempest-scenario-manager-stable
Change-Id: I63b3991210fd86bcc830af5beed28324797c3209

tempest/scenario/manager.py

@@ -1493,7 +1493,8 @@ class NetworkScenarioTest(ScenarioTest):
             raise Exception("Neither of 'public_router_id' or "
                             "'public_network_id' has been defined.")
 
-    def create_networks(self, networks_client=None,
+    def setup_network_subnet_with_router(
+            self, networks_client=None,
             routers_client=None, subnets_client=None,
             project_id=None, dns_nameservers=None,
             port_security_enabled=True, **net_dict):

tempest/scenario/test_minbw_allocation_placement.py

@@ -128,7 +128,7 @@ class MinBwAllocationPlacementTest(manager.NetworkScenarioTest):
         base_segm = \
             CONF.network_feature_enabled.provider_net_base_segmentation_id
 
-        self.prov_network, _, _ = self.create_networks(
+        self.prov_network, _, _ = self.setup_network_subnet_with_router(
             networks_client=self.networks_client,
             routers_client=self.routers_client,
             subnets_client=self.subnets_client,

tempest/scenario/test_network_advanced_server_ops.py

@@ -62,7 +62,7 @@ class TestNetworkAdvancedServerOps(manager.NetworkScenarioTest):
         if utils.is_extension_enabled('security-group', 'network'):
             security_group = self.create_security_group()
             security_groups = [{'name': security_group['name']}]
-        network, _, _ = self.create_networks()
+        network, _, _ = self.setup_network_subnet_with_router()
         server = self.create_server(
             networks=[{'uuid': network['id']}],
             key_name=keypair['name'],

tempest/scenario/test_network_basic_ops.py

@@ -106,7 +106,8 @@ class TestNetworkBasicOps(manager.NetworkScenarioTest):
 
     def _setup_network_and_servers(self, **kwargs):
         boot_with_port = kwargs.pop('boot_with_port', False)
-        self.network, self.subnet, self.router = self.create_networks(**kwargs)
+        self.network, self.subnet, self.router = (
+            self.setup_network_subnet_with_router(**kwargs))
         self.check_networks()
 
         self.ports = []

tempest/scenario/test_security_groups_basic_ops.py

@@ -326,7 +326,7 @@ class TestSecurityGroupsBasicOps(manager.NetworkScenarioTest):
         self.floating_ips.setdefault(server['id'], floating_ip)
 
     def _create_tenant_network(self, tenant, port_security_enabled=True):
-        network, subnet, router = self.create_networks(
+        network, subnet, router = self.setup_network_subnet_with_router(
             networks_client=tenant.manager.networks_client,
             routers_client=tenant.manager.routers_client,
             subnets_client=tenant.manager.subnets_client,