```ruby
require "sauce/parallel/test_broker"
require "parallel_tests"
require "parallel_tests/tasks"

namespace :sauce do
  task :spec do
    concurrency = Sauce::TestBroker.concurrencies
    ParallelTests::CLI.new.run(["--type", "saucerspec"] + ["-n #{concurrency}", "spec"])
  end
end
```

Install task for rspec parallel
user
```ruby
require "sauce/parallel/test_broker"
require "parallel_tests"
require "parallel_tests/tasks"

namespace :sauce do
  task :spec do
    concurrency = Sauce::TestBroker.concurrencies
    ParallelTests::CLI.new.run(["--type", "saucerspec"] + ["-n #{concurrency}", "spec"])
  end

  task :install => :create_helper do
    spec_helper_path = "spec/spec_helper.rb"
    unless File.open(spec_helper_path) { |f| f.read.match "require \"sauce_helper\""}
      File.open("spec/spec_helper.rb", "a") do |f|
        f.write "require \"sauce_helper\""
      end
    else
      puts "WARNING - The Sauce gem is already integrated into your rspec setup"
    end
    puts <<-ENDLINE
The Sauce gem is now installed!

Next steps:

1.  Edit spec/sauce_helper.rb with your required platforms
2.  Make sure we've not mangled your spec/spec_helper.rb requiring sauce_helper
3.  Set the SAUCE_USERNAME and SAUCE_ACCESS_KEY environment variables
3.  Run your tests with 'rake sauce:spec'

    ENDLINE
  end

  task :create_helper do
    sauce_helper_path = "spec/sauce_helper.rb"
    unless File.exists? sauce_helper_path
      File.open(sauce_helper_path, "w") do |f|
        f.write (<<-ENDFILE
# You should edit this file with the browsers you wish to use
# For options, check out http://www.saucelabs.com/platforms
require "sauce"

Sauce.config do |c|
  c.browsers = [
    ["BROWSER", "OS", "VERSION"],
    ["ANOTHER BROWSER", "OS", "VERSION"]
  ]
end
ENDFILE
        )
      end
    else
      STDERR.puts "WARNING - sauce_helper has already been created."
    end
  end
end
```
assistant