Add more split bus tests

[flooklab]

No description provided.

[codecov]

Codecov Report

Merging #151 (ec18291) into master (a04bc83) will increase coverage by 0.04%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #151      +/-   ##
==========================================
+ Coverage   31.92%   31.96%   +0.04%     
==========================================
  Files          72       72              
  Lines        4780     4786       +6     
==========================================
+ Hits         1526     1530       +4     
- Misses       3254     3256       +2     

Impacted Files	Coverage Δ
basil/utils/sim/utils.py	94.59% <66.66%> (-5.41%)	⬇️

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[themperek]

@flooklab Thank you!