Add the full log validation test in Integration test

[lalitb]

Changes

• The full log validation test runs sequentially, and the logs.json is cleaned-up before running
• Rest of the tests run in parallel.
• Some nit cleanup of method for reusability.

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.9%. Comparing base (68af3bb) to head (0e59b0b).

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #2525   +/-   ##
=====================================
  Coverage   77.9%   77.9%           
=====================================
  Files        123     123           
  Lines      22944   22944           
=====================================
  Hits       17880   17880           
  Misses      5064    5064           

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