Adding unit tests for schema.py

[PhillypHenning]

Description

Adds to #286
Adding unit tests for the SchemaObject Class

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

This is the testing.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

[runforesight]

Foresight Summary

    
Major Impacts

CI duration(35 seconds) has decreased 2 minutes 2 seconds compared to main branch avg(2 minutes 37 seconds).

View More Details

✅  CI workflow has finished in 35 seconds (2 minutes 2 seconds less than main branch avg.) and finished at 5th Apr, 2023.

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Job	Failed Steps	Tests
tests-unit	-     🔗	N/A	See Details
lint-pylint	-     🔗	N/A	See Details
lint-black	-     🔗	N/A	See Details

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