Potential fix for pull request finding

Will copilots suggestion work.... drumroll!

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: mcgov

lisa/sut_orchestrator/azure/features.py

@@ -1010,18 +1010,15 @@ def switch_sriov(
                 )
                 updated_nic.enable_accelerated_networking = enable
 
-                network_client.network_interfaces.begin_create_or_update(
+                poller = network_client.network_interfaces.begin_create_or_update(
                     self._resource_group_name, updated_nic.name, updated_nic
                 )
-                updated_nic = network_client.network_interfaces.get(
-                    self._resource_group_name, nic_name
-                )
+                updated_nic = poller.result()
                 assert_that(updated_nic.enable_accelerated_networking).described_as(
                     f"fail to set network interface {nic_name}'s accelerated "
                     f"networking into status [{enable}]"
                 ).is_equal_to(enable)
                 status_changed = True
-                sleep(0.5)
 
         # wait settings effective
         if wait and status_changed: