class RuboCop::Cop::RSpec::EmptyHook

def on_block(node)

def on_block(node)
  empty_hook?(node) do |hook|
    add_offense(hook) do |corrector|
      range = range_with_surrounding_space(
        range: node.loc.expression,
        side: :left
      )
      corrector.remove(range)
    end
  end
end