Sebastjan H. wrote in post #1110565:
> Ryan Cook wrote in post #1110562:
>> Can you provide some of the code you're using? Not sure how to help
>> otherwise.
 just for reference: it was a matter of requiring. If I require like so

require 'minitest/spec'
require 'minitest/autorun'

then the warning is gone. Before, I haven't required *spec.

regards,
seba

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