Feat: Add test files for WHO module

[Santhosh-Siddhardha]

Describe the feature

• Test all the methods of the who module and add a test file.
• Will add test file in directory src/test.
• Will Check the WHO.py file as a reference to get an idea about structuring the code.
• Will use unittest only.

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Similar to above files

Record

• I agree to follow this project's Code of Conduct
• I'm a GSSoC'24 contributor
• I want to work on this issue

[nikhil25803]

Go ahead @Santhosh-Siddhardha

Note

• Please create a separate module for this, as in the folder and project structure (if it is already created, just add your features as functions in the same module).
• Do not use the `selenium web driver as it is incompatible with all devices and cloud platforms.
• Before making any changes, please check whether the module you want to add exists. If yes, then you can add your functionality as a method only make a separate module and class for it.

All the best 👨‍💻