Support abritrary epochs in TestChainstate

[jacinta-stacks]

Replaces #6608

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

❌ Patch coverage is 80.66743% with 168 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.99%. Comparing base (060b56e) to head (3650058).

Files with missing lines	Patch %	Lines
stackslib/src/chainstate/tests/mod.rs	67.80%	141 Missing ⚠️
stackslib/src/chainstate/tests/consensus.rs	95.96%	14 Missing ⚠️
stackslib/src/chainstate/coordinator/mod.rs	0.00%	7 Missing ⚠️
stackslib/src/chainstate/nakamoto/tests/node.rs	89.09%	6 Missing ⚠️

❌ Your project check has failed because the head coverage (68.99%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #6619      +/-   ##
===========================================
+ Coverage    61.40%   68.99%   +7.59%     
===========================================
  Files          574      574              
  Lines       354916   355501     +585     
===========================================
+ Hits        217939   245284   +27345     
+ Misses      136977   110217   -26760     

Files with missing lines	Coverage Δ
stacks-common/src/types/mod.rs	80.66% <ø> (+0.58%)	⬆️
...ackslib/src/chainstate/nakamoto/coordinator/mod.rs	81.76% <100.00%> (-0.62%)	⬇️
stackslib/src/net/tests/mod.rs	53.47% <100.00%> (-0.08%)	⬇️
stackslib/src/chainstate/nakamoto/tests/node.rs	83.95% <89.09%> (+0.39%)	⬆️
stackslib/src/chainstate/coordinator/mod.rs	80.00% <0.00%> (+1.15%)	⬆️
stackslib/src/chainstate/tests/consensus.rs	94.11% <95.96%> (+1.84%)	⬆️
stackslib/src/chainstate/tests/mod.rs	68.31% <67.80%> (-1.77%)	⬇️

... and 328 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 060b56e...3650058. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[francesco-stacks]

I still need to finish the review of the changes in the consensus.rs file, but GREAT work!