Add example HV-tuning JSON-output files to database testdata

Description

Adds the HV-tuning JSON-output files listed at the top of this git issue to the database test files. The API version and the database test type have been included in the filenames for clarity.

approved this merge request

Thanks! Can you add a line in the changelog right under "unreleased changes"?

Should be done now.

added 1 commit

• f914dc3c - Updated change-log

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mentioned in commit d443f77a

merged