Good First Issue: Write unit tests for config.py

[ParzivalHack]

config.py has no dedicated test file. It should be tested for: loading a valid pyspector.toml, gracefully handling a missing config file, applying correct defaults, and substituting placeholder regexes in rules.

[AnkurKrPal]

Hi @ParzivalHack , I'd like to work on this. Can you assign this to me?

[ParzivalHack]

Hi @ParzivalHack , I'd like to work on this. Can you assign this to me?

Hey @AnkurKrPal, sure, feel free to work on it.