Add status currency test and fix related bugs.

[dlongley]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.49123% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.36%. Comparing base (5e624d8) to head (0bc1a99).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/ListSource.js	96.29%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #201      +/-   ##
==========================================
+ Coverage   91.11%   91.36%   +0.25%     
==========================================
  Files          17       17              
  Lines        3354     3371      +17     
==========================================
+ Hits         3056     3080      +24     
+ Misses        298      291       -7     

Files with missing lines	Coverage Δ
lib/CredentialStatusWriter.js	91.48% <100.00%> (ø)
lib/IndexAllocationCache.js	89.54% <100.00%> (+0.84%)	⬆️
lib/ListManager.js	93.40% <100.00%> (+0.92%)	⬆️
lib/ListSource.js	97.29% <96.29%> (-2.71%)	⬇️

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