Write some basic tests for the application

[kgashok]

Places to look for ideas and research

• Start with the suggestions in the Hitchhiker's guide - https://docs.python-guide.org/writing/tests/#py-test
• https://realpython.com/python-testing/#testing-for-web-frameworks-like-django-and-flask

[RamkumarMrj]

I would like to work on this issue, sir.