This argument reminds me of the historical arguments made against heliocentrism vs geocentrism. Just because we have widespread belief of one thing to be true does not mean we should blindly accept it and not test things that appear to oppose it.
In my opinion, the tests that have happened with the EmDrive are exactly what _should_ happen to make sure that our knowledge is strong and that we do keep advancing the field.
In my opinion, the tests that have happened with the EmDrive are exactly what _should_ happen to make sure that our knowledge is strong and that we do keep advancing the field.