Add more rules that enforce testing best practises

[cartogram]

I think most things here can be turned into a rule. https://github.com/Shopify/web-foundation/blob/master/handbook/Best%20practices/Jest.md#best-practices

• no-snapshots
• mock-order
• mock-full-module
• no-bad-mock-features

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 7 days if no further activity occurs. Thank you for your contributions.

[Fzzzxxxxxxxx]

I think most things here can be turned into a rule. https://github.com/Shopify/web-foundation/blob/master/handbook/Best%20practices/Jest.md#best-practices

• no-snapshots

• mock-order

• mock-full-module

• no-bad-mock-features