Spec4 fixup

[jannotti]

Summary

Test Plan

[codecov]

Codecov Report

Attention: Patch coverage is 57.44681% with 20 lines in your changes missing coverage. Please review.

Project coverage is 51.93%. Comparing base (a10b6b3) to head (0ec1739).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
ledger/store/trackerdb/sqlitedriver/kvsIter.go	0.00%	10 Missing ⚠️
...edger/store/trackerdb/sqlitedriver/sqlitedriver.go	0.00%	4 Missing ⚠️
ledger/catchupaccessor.go	33.33%	2 Missing ⚠️
ledger/store/trackerdb/dualdriver/dualdriver.go	0.00%	2 Missing ⚠️
ledger/store/trackerdb/generickv/reader.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6209      +/-   ##
==========================================
+ Coverage   50.93%   51.93%   +1.00%     
==========================================
  Files         643      643              
  Lines       86223    86234      +11     
==========================================
+ Hits        43915    44785     +870     
+ Misses      39433    38590     -843     
+ Partials     2875     2859      -16     

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