test: add tests for parser

[blaukc]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 64.36%. Comparing base (ce10f9d) to head (54b839e).

Files	Patch %	Lines
...ress/logic/commands/module/ListModulesCommand.java	33.33%	2 Missing and 2 partials ⚠️
...ess/logic/commands/module/ModuleSearchCommand.java	33.33%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #132      +/-   ##
============================================
+ Coverage     54.76%   64.36%   +9.59%     
- Complexity      434      506      +72     
============================================
  Files            98       98              
  Lines          1983     1995      +12     
  Branches        205      207       +2     
============================================
+ Hits           1086     1284     +198     
+ Misses          861      629     -232     
- Partials         36       82      +46     

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[taufiq]

Stellar work!