A developer and tester were jointly interpreting a user story and studying the acceptance criteria. The tester wrote a test scenario that the developer felt was invalid. The tester was adamant that it was a valid test scenario and needed to be addressed. How can the dispute be resolved

Discuss with product owner and ask if it is a valid scenario.

Explanation:

To resolove this, a discussion should be made with the product owner and the question on if it is a valid scenario should be asked.

Normally when there are issues like this, the product owner should be able to help sort out the issues. This should be the number one option to pick in cases like this where there are different opinions on what to do.