Add delete_test_repo helper method to spec helper
Add delete_test_repo helper method to spec helper

pvdb/octokit.rb,JuanitoFatas/octokit.rb,JuanitoFatas/octokit.rb,octokit/octokit.rb,LizzHale/octokit.rb,pvdb/octokit.rb,benbalter/octokit.rb,octokit/octokit.rb,LizzHale/octokit.rb,benbalter/octokit.rb