Cherry pick tests' fixes (#810) into 6.3#878

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jmachado-amd wants to merge 2 commits intoROCm:release/rocm-rel-6.3from jmachado-amd:cherry-pick-improve-currently-failing-tests-part1-6.3

+1,209-54

Commits on Jan 10, 2025

Improve robustness of tests (part1) (ROCm#810 )
jmachado-amd
committed

Commits on Jan 14, 2025

Fix tolerance for HEGVDX tests (ROCm#879 )
jmachado-amd
committed