How to include Capybara RSpec matchers in RSpec

let say you want to use have_content and have_selector in spec

# Gemfile
gem 'capybara'
gem 'rspec'

# spec/spec_helper.rb
#...
require 'capybara/rspec'
#...

require 'spec_helper'

RSpec.describe MyPresenter do
  include Capybara::RSpecMatchers
  
  it do 
    expect("<b>abc</b>").to have_selector("b")
  end
end