Fix tests and produce proper error from StatusList.decode.

[dlongley]

No description provided.

[codecov-commenter]

Codecov Report

Merging #8 (a78233e) into main (1ed2b73) will decrease coverage by 0.74%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
- Coverage   96.29%   95.55%   -0.75%     
==========================================
  Files           3        3              
  Lines         135      135              
==========================================
- Hits          130      129       -1     
- Misses          5        6       +1     

Impacted Files	Coverage Δ
StatusList.js	92.30% <83.33%> (-7.70%)	⬇️
main.js	95.83% <100.00%> (-0.14%)	⬇️

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