Added test for MapArray

[jorgecarleitao]

No description provided.

[codecov]

Codecov Report

Merging #942 (39cb23e) into main (60130f4) will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #942      +/-   ##
==========================================
+ Coverage   71.10%   71.18%   +0.08%     
==========================================
  Files         346      346              
  Lines       18956    18956              
==========================================
+ Hits        13478    13494      +16     
+ Misses       5478     5462      -16     

Impacted Files	Coverage Δ
src/bitmap/utils/slice_iterator.rs	87.93% <0.00%> (+1.72%)	⬆️
src/array/map/mod.rs	65.82% <0.00%> (+18.98%)	⬆️

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