You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: spec_helper.rb
    path of file: ./repos/secure_headers/spec
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
require "rubygems"
require "rspec"
require "rack"
require "coveralls"
Coveralls.wear!

require File.join(File.dirname(__FILE__), "..", "lib", "secure_headers")



USER_AGENTS = {
  edge: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246",
  firefox: "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:14.0) Gecko/20100101 Firefox/14.0.1",
  firefox46: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:46.0) Gecko/20100101 Firefox/46.0",
  chrome: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5",
  ie: "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/5.0)",
  opera: "Opera/9.80 (Windows NT 6.1; U; es-ES) Presto/2.9.181 Version/12.00",
  ios5: "Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Saf
    
def expect_default_values(hash)
  expect(hash[SecureHeaders::ContentSecurityPolicyConfig::HEADER_NAME]).to eq("default-src 'self' https:; font-src 'self' https: data:; img-src 'self' https: data:; object-src 'none'; script-src https:; style-src 'self' https: 'unsafe-inline'")
  expect(hash[SecureHeaders::ContentSecurityPolicyReportOnlyConfig::HEADER_NAME]).to be_nil
  expect(hash[SecureHeaders::XFrameOptions::HEADER_NAME]).to eq(SecureHeaders::XFrameOptions::DEFAULT_VALUE)
  expect(hash[SecureHeaders::XDownloadOptions::HEADER_NAME]).to eq(SecureHeaders::XDownloadOptions::DEFAULT_VALUE)
  expect(hash[SecureHeaders::StrictTransportSecurity::HEADER_NAME]).to eq(SecureHeaders::StrictTransportSecurity::DEFAULT_VALUE)
  expect(hash[SecureHeaders::XXssProtection::HEADER_NAME]).to eq(SecureHeaders::XXssProtection::DEFAULT_VALUE)
  expect(hash[SecureHeaders::XContentTypeOptions::HEADER_NAME]).to eq(SecureHeaders::XContentTypeOptions::DEFAULT_VALUE)
  expect(hash[SecureHeaders::XPermittedCrossDomainPolicies::HEADER_NAME]).to eq(SecureHeaders::XPermittedCrossDomainPolicies::DEFAULT_VALUE)
  expect(hash[SecureHeaders::ReferrerPolicy::HEADER_NAME]).to be_nil
  expect(hash[SecureHeaders::ExpectCertificateTransparency::HEADER_NAME]).to be_nil
  expect(hash[SecureHeaders::ClearSiteData::HEADER_NAME]).to be_nil
  expect(hash[SecureHeaders::ExpectCertificateTransparency::HEADER_NAME]).to be_nil
end