diff --git a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_router_sizes.py b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_router_sizes.py
index 159b3ac..854b69f 100644
--- a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_router_sizes.py
+++ b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_router_sizes.py
@@ -86,6 +86,7 @@ class RouterSizeBaseTest(base.BaseAdminNetworkTest):
             external_gateway_info=ext_gw_info,
             router_type='exclusive',
             router_size=router_size)
+        self.routers_client.http_obj.connection_pool_kw['timeout'] = 600
         router = self.routers_client.create_router(**rtr_cfg)
         router = router.get('router', router)
         self.routers.append(router)
diff --git a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_subnets.py b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_subnets.py
index 0aaa65a..4901bdf 100644
--- a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_subnets.py
+++ b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_subnets.py
@@ -69,9 +69,11 @@ class SubnetTestJSON(base.BaseAdminNetworkTest):
     @classmethod
     def resource_setup(cls):
         super(SubnetTestJSON, cls).resource_setup()
-        for k, v in cls._provider_network_body.items():
-            if not v:
-                cls._provider_network_body.pop(k)
+        temp_dict = {}
+        for parameter in sorted(cls._provider_network_body.items()):
+            if parameter[1]:
+                temp_dict[parameter[0]] = parameter[1]
+        cls._provider_network_body = temp_dict
         body = cls.create_network(client=cls.admin_networks_client,
                                   **cls._provider_network_body)
         cls.network = body['network']
diff --git a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_vlan_network.py b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_vlan_network.py
index 757a3c2..a305fba 100644
--- a/vmware_nsx_tempest_plugin/tests/nsxv/api/test_vlan_network.py
+++ b/vmware_nsx_tempest_plugin/tests/nsxv/api/test_vlan_network.py
@@ -75,9 +75,11 @@ class VlanNetworksTestJSON(SNET.SubnetTestJSON):
                      'provider:physical_network': VLAN_PHYSICAL_NETWORK,
                      'provider:segmentation_id': segmentation_id}
         post_body.update(kwargs)
-        for k, v in post_body.items():
-            if not v:
-                post_body.pop(k)
+        temp_dict = {}
+        for parameter in sorted(post_body.items()):
+            if parameter[1]:
+                temp_dict[parameter[0]] = parameter[1]
+        post_body = temp_dict
         LOG.debug("create VLAN network: %s", str(post_body))
         body = self.create_network(**post_body)
         network = body['network']