test: Skip block reason checks for an unrecovered sender

[chfast]

Follow-up to #1623. The unrecovered-sender gap was patched only in the state-root check's names, but the blob-gas check runs before it, so a block whose bad signature the runner cannot see was judged against a rule it does not break. Skip the whole ladder instead, as already done for the unvalidated ommer headers.

No existing fixture reaches that path, so the regression test is a new one: a Cancun block carrying a blob transaction with a broken signature and a blobGasUsed the execution contradicts. Without the fix it reports

the block failed the check for BlockException.INCORRECT_BLOB_GAS_USED|BlockException.BLOB_GAS_USED_ABOVE_LIMIT,
expected TransactionException.INVALID_SIGNATURE_VRS

[Copilot]

Pull request overview

Extends #1623’s invalidity-reason checks to account for transaction senders that cannot be recovered.

Changes:

• Skips header-reason comparisons for unrecovered senders.
• Adds a Cancun blob-gas regression fixture and CTest entry.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
test/blockchaintest/blockchaintest_runner.cpp	Adjusts invalidity-reason matching.
test/integration/blockchaintest/unrecovered_sender_blob_gas.json	Adds regression fixture.
test/integration/blockchaintest/CMakeLists.txt	Registers the regression test.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.71%. Comparing base (22c6d37) to head (6f26198).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1632   +/-   ##
=======================================
  Coverage   97.70%   97.71%           
=======================================
  Files         171      171           
  Lines       15593    15593           
  Branches     3606     3607    +1     
=======================================
+ Hits        15235    15236    +1     
  Misses        269      269           
+ Partials       89       88    -1     

Flag	Coverage Δ
eest-develop	88.61% <75.00%> (ø)
eest-develop-gmp	26.66% <0.00%> (ø)
eest-legacy	17.17% <12.50%> (-0.02%)	⬇️
eest-libsecp256k1	28.86% <0.00%> (ø)
eest-stable	88.61% <75.00%> (ø)
evmone-unittests	93.41% <0.00%> (+0.27%)	⬆️

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Components	Coverage Δ
core	96.08% <ø> (ø)
tooling	91.92% <100.00%> (+0.05%)	⬆️
tests	99.80% <ø> (ø)

Files with missing lines	Coverage Δ
test/blockchaintest/blockchaintest_runner.cpp	83.51% <100.00%> (ø)

... and 1 file with indirect coverage changes

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[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated no new comments.