To the context-driven tester there are no best practices, merely practices to be applied in contexts where they are appropriate on missions to which they contribute. Context-driven is differentiated from context-aware and other similar-sounding terms by virtue of the total freedom it gives to (and requires of) the tester to approach each situation afresh, driving the choice of practice from the context and not vice versa. That's not to say that expertise and experience can't play a part - we'd hope that knowledge of the range of practices that could be applied will mean a more productive selection - merely that the organisation, strategy, reporting and so on of the project is considered part of the project and not a predetermined factor. All options being open, and context being the ultimate arbiter of the value of an activity to a project, it's interesting to wonder whether there is anything that is indisputably never appropriate. Perhaps burning our test mat...