>>> Actually many customers have asked for this exact feature (so that they can run the same test case several times with different parameters) and it was added in v3.0 because of the customer demands. >>> Ok I understand that. However most of test mgmt systems at least pop up the warning message for users and give the decision to them. I do recommend Inflecra also provide a kind of selection pop-up in which users can chooose whether to add duplcated test cases or to skip them.
>>> I have logged it as an enhancement request, but it's a lower priority item.