```ruby
require File.expand_path(File.dirname(__FILE__) + '/test_helper.rb')

class TestEnPakLocale < Test::Unit::TestCase
  def setup
    @previous_locale = Faker::Config.locale
    Faker::Config.locale = 'en-PAK'
  end

  def teardown
    Faker::Config.locale = @previous_locale
  end

  def test_en_pak_methods
    assert Faker::Name.first_name.is_a? String
    assert Faker::Name.last_name.is_a? String
    assert Faker::Address.state.is_a? String
    assert Faker::Address.default_country.is_a? String
    assert Faker::Internet.free_email.is_a? String
    assert Faker::Internet.domain_suffix.is_a? String
    assert Faker::Company.suffix.is_a? String
  end
end
```

Add default country check to en-PAK unit tests
user
```ruby
require File.expand_path(File.dirname(__FILE__) + '/test_helper.rb')

class TestEnPakLocale < Test::Unit::TestCase
  def setup
    @previous_locale = Faker::Config.locale
    Faker::Config.locale = 'en-PAK'
  end

  def teardown
    Faker::Config.locale = @previous_locale
  end

  def test_en_pak_methods
    assert Faker::Name.first_name.is_a? String
    assert Faker::Name.last_name.is_a? String
    assert Faker::Address.state.is_a? String
    assert Faker::Address.default_country.is_a? String
    assert Faker::Internet.free_email.is_a? String
    assert Faker::Internet.domain_suffix.is_a? String
    assert Faker::Company.suffix.is_a? String
  end

  def test_en_pak_default_country
    assert_match(/\A(Pakistan|Islamic Republic of Pakistan)\z/, Faker::Address.default_country)
  end
end
```
assistant