> Testing model implementation details such as statistical and mathematical soundness are not part of the TFML strategy. Such details should be tested separatel

> Testing model implementation details such as statistical and mathematical soundness are not part of the TFML strategy. Such details should be tested separately and are specific to the family of the model under consideration. For anyone who clicked this thinking this would be related to model validation, it ain't. The article is promoting test-driven development for systems that have an ML component.