test: test cases for mongo/project

[yk-eukarya]

Overview

What I've done

What I haven't done

How I tested

Which point I want you to review particularly

Memo

[codecov]

Codecov Report

Merging #149 (3f3ab44) into main (84fe132) will increase coverage by 0.27%.
The diff coverage is n/a.

❗ Current head 3f3ab44 differs from pull request most recent head c10e8d3. Consider uploading reports for the commit c10e8d3 to get more accurate results

@@            Coverage Diff             @@
##             main     #149      +/-   ##
==========================================
+ Coverage   34.60%   34.87%   +0.27%     
==========================================
  Files         349      349              
  Lines       31775    31775              
==========================================
+ Hits        10996    11083      +87     
+ Misses      19774    19682      -92     
- Partials     1005     1010       +5     

Impacted Files	Coverage Δ
internal/infrastructure/mongo/project.go	85.29% <0.00%> (+85.29%)	⬆️