class RuboCop::Cop::Minitest::GlobalExpectations

def register_offense(node, method)
  receiver = node.receiver
  if method
    preferred = preferred_method
    replacement = receiver.source.sub(method.to_s, preferred_method.to_s)
  else
    preferred = preferred_receiver(node)
    replacement = preferred
  end
  message = format(MSG, preferred: preferred)
  add_offense(receiver, message: message) do |corrector|
    corrector.replace(receiver, replacement)
  end
end