meinaLi

label: modular_redesign

@Yingshun Would you also help to review this PR? Thanks.

The test plan directly use lifecycle_test as a chapter. For consistency, I also used lifecycle_test as a directory name in auto cases.

``` # avocado run --vt-type libvirt --test-runner=runner --vt-machine-type q35 backingchain.hotplug_test.hot_un_plug.file_disk JOB ID : 7931de1c3b482705fb298256886a265142692163 JOB LOG : /var/lib/avocado/job-results/job-2022-11-17T01.17-7931de1/job.log (1/3) type_specific.io-github-autotest-libvirt.backingchain.hotplug_test.hot_un_plug.file_disk.blockcommit: PASS (76.94 s) (2/3) type_specific.io-github-autotest-libvirt.backingchain.hotplug_test.hot_un_plug.file_disk.blockpull: PASS (79.40 s) (3/3) type_specific.io-github-autotest-libvirt.backingchain.hotplug_test.hot_un_plug.file_disk.blockcopy:...

Label: modular_redesign

Re-open

@Yingshun Could you help to review this PR? Or someone else can give a review?

Depend on https://github.com/avocado-framework/avocado-vt/pull/3573 Label: moddular_redesign

@nanli1 Would you help to review this case again? Thanks.