[Release SM 6.9] Cherry-Pick : Execution Tests: Split long vector tests into classes based on hlk requirement#8134 (#8139)

Cherry-Pick : [Execution Tests: Split long vector tests into classes
based on hlk
requirement#8134](#8134)

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Damyan Pepper <[email protected]>

Author: 3 people