Add tests for bots/stocks

[colin99d]

Description

Adds tests to the following stock items:

• dark_pool_shorts/
• disc/
• due_diligence/
• government/
• insider/
• options/
• screener/
• sia/
• technical_analysis/
• quote.py

How has this been tested?

Ran the tests that have been created.

Checklist:

• Update our Hugo documentation following these guidelines.
• Update our tests following these guidelines.
• Make sure you are following our CONTRIBUTING guidelines.
• If a feature was added make sure to add it to the corresponding scripts file.

Others

• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My code passes all the checks pylint, flake8, black, ... To speed up development you should run pre-commit install.
• New and existing unit tests pass locally with my changes. You can test this locally using pytest tests/....