my_sample_spec.rb

# frozen_string_literal: true

require 'pry'
require 'rspec/retry'

RSpec.configure do |config|

  # rspec-retry
  config.verbose_retry = true
  config.display_try_failure_messages = true

  config.around :each do |ex|
    ex.metadata[:retry] = 3
    ex.run
  end
end

RSpec.describe 'Retry test' do

  it 'should randomly succeed 1' do
    num = rand(2)
    p "test 1: #{num}"
    expect(num).to eq(1)
  end

  it 'should randomly succeed 2' do
    num = rand(2)
    p "test 2: #{num}"
    expect(num).to eq(1)
  end

end

sample_spec.rb

it 'should randomly succeed', :retry => 3 do
  expect(rand(2)).to eq(1)
end

spec_helper.rb

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

RSpec.configure do |config|
  # show retry status in spec process
  config.verbose_retry = true
  # show exception that triggers a retry if verbose_retry is set to true
  config.display_try_failure_messages = true

  # run retry only on features
  config.around :each, :js do |ex|
    ex.run_with_retry retry: 3
  end
end