Code Sync from neutron project to newly created neutron-tempest-plugin

* The following commit sync the code from following hash:
  start_hash: 7279aa35851110a4933a10b58b2758a2bc3933a3
  end_hash: 6e911a49a9e630878f4c46f61fde3964be550880

Change-Id: I371aa4d5f043f695df04b98b0f485c8f0548f2b3
diff --git a/neutron_tempest_plugin/api/test_timestamp.py b/neutron_tempest_plugin/api/test_timestamp.py
index 20d5703..4d2d32a 100644
--- a/neutron_tempest_plugin/api/test_timestamp.py
+++ b/neutron_tempest_plugin/api/test_timestamp.py
@@ -42,7 +42,7 @@
         cls._subnetpool_data = {'min_prefixlen': '29', 'prefixes': prefixes}
 
     def _create_subnetpool(self, is_admin=False, **kwargs):
-        name = data_utils.rand_name('subnetpool-')
+        name = data_utils.rand_name('subnetpool')
         subnetpool_data = copy.deepcopy(self._subnetpool_data)
         for key in subnetpool_data.keys():
             kwargs[key] = subnetpool_data[key]