tests -- tests for the general API
examples -- tests primarily for various applications that aren't part of the API

How transformers are tested

Once a PR is submitted it gets tested with 9 CircleCi jobs. Every new commit to that PR gets retested. These jobs
   are defined in this config file, so that if needed you can reproduce the same
   environment on your machine.

These CI jobs don't run @slow tests.

There are 3 jobs run by github actions: