Change-Id: Idf41a5cb02bdb59e6e5d107fa0734091fd9c8a91
Signed-off-by: wu.zhihui <wu.zhihui1@zte.com.cn>
         self.azone = AvailabilityZone()\r
         # TODO: it should clean up aggregates and stack after test case finished.\r
         self.azone.clean_all_aggregates()\r
-        self.azone.create_agg(vm_info['availability_zone'])\r
+        self.azone.create_aggs(vm_info['availability_zone'])\r
         installer = self.get_installer_type()\r
         self.Heat_template1 = self.heat_template_vm(vm_info, installer)\r
         self.create_stack(vm_role_ip_dict, self.Heat_template1)\r