Add an integration test that validates that methods will work against the live GitHub site

[billnapier]

Interesting idea from @Laptop765 in #8. We could add some kind of test to validate that what we are expecting to see on the live page, is actually on the live page.

This would also require us to change the style here to be more declarative (ie. this field maps to this form value), but in the long run that's likely a win as well. It should in theory reduce boilerplate and make it easier to add new methods (at the sacrifice of making it easy to understand....)