[TEST] Analyze failed e2e cases in master-head pipeline

[chriscchien]

What's the test to develop? Please describe

Recently master-head pipeline have some failed cases (build 227, 228, 229, ~ 242)

• test_ha.test_autosalvage_with_data_locality_enabled
  • https://github.com/longhorn/longhorn/issues/4489
• test_basic.test_backup_labels and related failure
  • https://github.com/longhorn/longhorn/issues/4535
  • https://github.com/longhorn/longhorn-tests/pull/1098
• ~~test_cloning.test_cloning_with_detached_source_volume~~
  • 20 time on local and can not reproduce
• ~~test_backing_image.test_exporting_backing_image_from_volume~~
  • 20 time on local and can not reproduce
• ~~test_ha.test_rebuild_with_restoration~~
  • https://github.com/longhorn/longhorn/issues/4488, https://github.com/longhorn/longhorn-tests/pull/1085
• ~~test_cloning.test_cloning_interrupted~~
  • https://github.com/longhorn/longhorn-tests/pull/1083

Describe the items of the test development (DoD, definition of done) you'd like

• [x] Create ticket if the failure is bug
• [ ] Fix them if the failure were flaky

Additional context

N/A