accounts: run tests in parallel

[ucwong]

No description provided.

[codecov]

Codecov Report

Merging #1839 (0cc9af2) into master (7196ec8) will increase coverage by 0.00%.
Report is 407 commits behind head on master.
The diff coverage is 88.88%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1839   +/-   ##
=======================================
  Coverage   52.82%   52.83%           
=======================================
  Files         484      484           
  Lines       60444    60451    +7     
=======================================
+ Hits        31931    31939    +8     
- Misses      26063    26064    +1     
+ Partials     2450     2448    -2     

Files	Coverage Δ
accounts/abi/abi.go	82.22% <100.00%> (+0.68%)	⬆️
accounts/abi/error_handling.go	84.61% <ø> (ø)
accounts/abi/type.go	85.52% <75.00%> (+1.04%)	⬆️

... and 12 files with indirect coverage changes