This directory contains tests for the code examples in the tutorial. The tests simply run each program and check that they run successfully, as is expected. The tests use the `pytest` module.To run the tests, create a Python 3 virtual environment with Poplar and TensorFlow 2 for IPU installed. Then you can install the specific requirements of the tests and run them using the following command lines: ``` pip3 install -r requirements.txt python -m pytest ```