Measure `match` vs `include` in rspecs on string tests

match_vs_include_rspec_test.rb

require 'rails_helper'
require 'benchmark'

RSpec.describe 'testing match vs includes' do

  let(:subject) { "This is the time for all good men to come to the aid of their country" }
  HOW_MANY_TIMES = 100_000

  Benchmark.bm(10) do |bm|
    bm.report("match:") do
      HOW_MANY_TIMES.times do |x|
        it { is_expected.to match "good" }
      end
    end
    bm.report("include:") do
      HOW_MANY_TIMES.times do |x|
        it { is_expected.to include "good" }
      end
    end
  end
end

match_vs_include_rspec_test.txt

$ be rspec spec/test_match_spec.rb
                 user     system      total        real
match:       9.020000   1.000000  10.020000 ( 10.100684)
include:     7.490000   0.940000   8.430000 (  8.467608)