Also, and this is probably going to cause a stir but… forget about writing test cases and scripts! Why? Because test cases are not the same as performing QA. Using the product, operating it, observing it and evaluating it — that is performing QA.
How to survive as a lone QA engineer
Made by Many

Yeah, thats it. In agile methods the QA engineer should't "waste time" writing test cases and scripts, he should evaluate the product using the product itself and take decisions.

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