test(account): add add subcommand test

[pixel365]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 26.85%. Comparing base (581ca67) to head (8b4125d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
main.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            main       #6       +/-   ##
==========================================
+ Coverage   4.39%   26.85%   +22.45%     
==========================================
  Files         21       21               
  Lines        682      689        +7     
==========================================
+ Hits          30      185      +155     
+ Misses       652      491      -161     
- Partials       0       13       +13     

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