Description of differences

Documentation can improve your development process and pinpoint root cause at times

DX testing is not a substitution for good writing

DX testing is not a substitution for validation and testing

User or Developer Experience

The user experience is separate from the testing/validation process.

Difference between Developer Experience Acceptance Testing and Quality Assurance Testing

• The focus of developer experience testing is the measure of the developer experience during use of the product.
• The focus of quality assurance testing is the measure the existing features to the functional requirements and validate the product works period.