class RuboCop::Cop::RSpec::ExampleWording

def on_block(node)
  it_description(node) do |description_node, message|
    if message =~ SHOULD_PREFIX
      add_wording_offense(description_node, MSG_SHOULD)
    elsif message =~ IT_PREFIX
      add_wording_offense(description_node, MSG_IT)
    end
  end
end