AI is rapidly becoming part of the modern testing stack. QA teams are already using large language models to generate test cases, design test plans, convert manual tests into automation scripts, and analyze complex workflows. But while the potential is enormous, many teams quickly realize that the quality of AI generated outputs varies widely. The same request can produce different results depending on how the question is asked and what information is provided.
That is where prompt engineering and context engineering come in. Prompt engineering focuses on how you structure your request to the model, while context engineering focuses on the information you provide about your system such as requirements, API specifications, user stories, and environment details. When both are applied together, QA engineers can turn AI from a generic assistant into a powerful testing collaborator capable of generating meaningful test scenarios and automation outputs.