DAOS-16592 test: Agent failure test changes.

[rpadma2]

Summary: Agent failure test changes to support ECBs.

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• [ ] Two review approvals and any prior change requests have been resolved.
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• [ ] Commit messages follows the guidelines outlined here.
• [ ] Any tests skipped by the ticket being addressed have been run and passed in the PR.

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• [ ] You are the appropriate gatekeeper to be landing the patch.
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• [ ] Checkpatch issues are resolved. Pay particular attention to ones that will show up on future PRs.
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• [ ] If applicable, the PR has addressed any potential version compatibility issues.
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[github-actions[bot]]

Ticket title is '600NCN:2048ECB Fault Agent Failure EC_16P2' Status is 'Open' Labels: 'testp1,pre_acceptance_optional' https://daosio.atlassian.net/browse/DAOS-16592

[daltonbohning]

@rpadma2 We should get these stop_processes changes into master + 2.6: https://github.com/daos-stack/daos/pull/15236/commits/ba5b3dc30986d418157c2b68e5d1981f5e557a0e

Do you have a master PR for that?

[rpadma2]

@rpadma2 We should get these stop_processes changes into master + 2.6: ba5b3dc

Do you have a master PR for that?

@daltonbohning : No. We don't have a master PR for those changes. If needed, I can a new PR.

[daltonbohning]

@rpadma2 We should get these stop_processes changes into master + 2.6: ba5b3dc Do you have a master PR for that?

@daltonbohning : No. We don't have a master PR for those changes. If needed, I can a new PR.

Actually, I need to re-evaluate the aurora/2.6 branch first so no need right now. I'll probably combine this into another PR