Added util tests for calculate_years_and_months_to_traverse function #258

Job	Run time
Set CI/CD metadata	4s
Commit stage / Check Markdown format	2s
Commit stage / Check English usage	5s
Commit stage / Count lines of code	9s
Commit stage / Check file format	5s
Commit stage / Scan dependencies	21s
Commit stage / Scan secrets	5s
Test stage / Unit tests	4s
Test stage / Linting	6s
Test stage / Test coverage	4s
Test stage / Perform static analysis	5s
Build & Assurance stage / Run Util Tests	22s
	1m 32s

Provide feedback