postgres: improved tests (#84677)
* postgres: tests: better test aligning time-series results
* postgres: add snapshot test for a backward-compat code
(cherry picked from commit c835022861)
Co-authored-by: Gábor Farkas <gabor.farkas@gmail.com>
postgres: improved tests (#84677)
* postgres: tests: better test aligning time-series results
* postgres: add snapshot test for a backward-compat code
(cherry picked from commit c835022861)
Co-authored-by: Gábor Farkas <gabor.farkas@gmail.com>