Fix flay not detecting identical code

What does this MR do?

Fix flay not reporting back identical code.

Does this MR meet the acceptance criteria?

• [-] Changelog entry added, if necessary
• [-] Documentation created/updated
• [-] API support added
• [-] Tests added for this feature/bug
  • First pipeline, the one of 6436c405 should fail.
• Review
  • [-] Has been reviewed by UX
  • [-] Has been reviewed by Frontend
  • Has been reviewed by Backend
  • [-] Has been reviewed by Database
• [-] Conform by the merge request performance guides
• [-] Conform by the style guides
• Squashed related commits together
• [-] Internationalization required/considered
• [-] End-to-end tests pass (package-qa manual pipeline job)

What are the relevant issue numbers?

#42628 (closed)