vcpu hotplug not supported but test case 'stress_cpuhotplug' still pass

[nhanldtn]

Hi,

I got an issue when running the test case without_hoststress.stress_cpuhotplug vcpu-hotplug not supported on my system but test case still passed

Test result

 (1/1) type_specific.io-github-autotest-libvirt.multivm_cpustress.without_hoststress.stress_cpuhotplug: PASS (170.80 s)

Debug log

Exception in thread
[stderr]
[stderr]   File "/usr/lib64/python3.10/threading.py", line 953, in run
[stderr] Thread-12 (vm_stress_events)
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_stress.py", line 112, in vm_stress_events
[stderr] :
[stderr] Traceback (most recent call last):
[stderr]   File "/usr/lib64/python3.10/threading.py", line 1016, in _bootstrap_inner
[stderr]
[stderr] libvirt.check_exit_status(result)
[stderr]
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_test/libvirt.py", line 1314, in check_exit_status
[stderr]
[stderr] self._target(*self._args, **self._kwargs)
[stderr]
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_stress.py", line 112, in vm_stress_events
[stderr]
[stderr] libvirt.check_exit_status(result)
[stderr]
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_test/libvirt.py", line 1314, in check_exit_status
[stderr]
[stderr] self.run()
[stderr]
[stderr]   File "/usr/lib64/python3.10/threading.py", line 953, in run
[stderr]
[stderr] raise exceptions.TestFail(result.stderr_text)
[stderr]
[stderr] avocado.core.exceptions
[stderr] .
[stderr] TestFail
[stderr] :
[stderr] error: Operation not supported: cpu hotplug is not supported
[stderr]
[stderr]
[stderr] raise exceptions.TestFail(result.stderr_text)
[stderr]
[stderr] avocado.core.exceptions
[stderr] .
[stderr] TestFail
[stderr] :
[stderr] error: Operation not supported: cpu hotplug is not supported
[stderr]
[stderr]
[stderr] self._target(*self._args, **self._kwargs)
[stderr]
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_stress.py", line 112, in vm_stress_events
[stderr]
[stderr] libvirt.check_exit_status(result)
[stderr]
[stderr]   File "/usr/local/lib/python3.10/site-packages/virttest/utils_test/libvirt.py", line 1314, in check_exit_status
[stderr]
[stderr] raise exceptions.TestFail(result.stderr_text)
[stderr]
[stderr] avocado.core.exceptions
[stderr] .
[stderr] TestFail
[stderr] :
[stderr] error: Operation not supported: cpu hotplug is not supported