[FEA] Need validation functions for benchmarks

[rlratzel]

Various benchmark algo runs need proper validation functions, since a fast benchmark is meaningless if it's measuring the computation of an incorrect result.

In particular, these are needed for results for MG BFS and MG SSSP

[github-actions[bot]]

This issue has been labeled inactive-30d due to no recent activity in the past 30 days. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed. This issue will be labeled inactive-90d if there is no activity in the next 60 days.

[github-actions[bot]]

This issue has been labeled inactive-90d due to no recent activity in the past 90 days. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed.

[BradReesWork]

@rlratzel can add this as one of the ResultSets options