CHIA-766 Deduplicate sb mempool asserts

[AmineKhaldi]

No description provided.

[arvidn]

@cmmarslender since the one failing test is now understood to be caused by signing secrets not being available on external repos, I think we could make an exception and land this PR anyway.

[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.

[github-actions]

Conflicts have been resolved. A maintainer will review the pull request shortly.

[Starttoaster]

Closing and re-opening to update CI

[coveralls-official]

Pull Request Test Coverage Report for Build 9650328670

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 13 of 13 (100.0%) changed or added relevant lines in 1 file are covered.
• 27 unchanged lines in 8 files lost coverage.
• Overall coverage decreased (-0.02%) to 90.872%

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Files with Coverage Reduction	New Missed Lines	%
chia/_tests/simulation/test_simulation.py	1	96.5%
chia/timelord/timelord_launcher.py	1	69.34%
chia/daemon/server.py	1	83.22%
chia/full_node/weight_proof.py	2	90.35%
chia/server/server.py	4	81.46%
chia/wallet/wallet_node.py	5	88.43%
chia/full_node/full_node.py	6	85.85%
chia/server/node_discovery.py	7	79.26%

Totals
Change from base Build 9650300892:	-0.02%
Covered Lines:	100208
Relevant Lines:	110210

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💛 - Coveralls