What cheatsheet is this about? (if applicable)

Basic cheatsheet

What's your issue or idea?

content duplication

There are two identical subheading, Types or Interfaces?.
And following contents are almost the same.
I think It is better to be deduplicated.
I'd appreciate it if you could consider it for the next reader. :)

**(If applicable) Reproduction of issue

We had an issue where an api user was using the incorrect parameters on an API call. Having this feature would have made the API fail instead of proceeding. The bug would been found earlier.

I can see where this would be a hassle on many cases, But it would be nice for new projects.

I suppose it could be a global config item that could be overridden at the individual action level:

For

Is your feature request related to a problem? Please describe.
Contributors don't really know that they should update snapshots as part of the development process.

Describe the solution you'd like
In the Contributing section, there should be a testing sub-section.