class RuboCop::Cop::RSpec::OverwritingSetup

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless example_group_with_body?(node)
  find_duplicates(node.body) do |duplicate, name|
    add_offense(
      duplicate,
      message: format(MSG, name: name)
    )
  end
end