```ruby
require 'test_helper'


class TestOmniAuthBacklogWithSiteId < StrategyTestCase

  def test_site_is_based_from_space_id
    @options = {
        :site_id => 'yourspaceid'
    }
    assert_equal 'https://yourspaceid.backlog.jp', strategy.client.site
  end

end


class TestOmniAuthBacklogWithSite < StrategyTestCase

  def test_it_has_the_correct_site_from_options
    @options = {
        :client_options => {
            :site => 'https://yourspaceid.backlog.jp'
        }
    }
    assert_equal 'https://yourspaceid.backlog.jp', strategy.client.site
  end

  def test_it_has_the_correct_authorize_url_with_site_from_options
    @options = {
        :client_options => {
            :site => 'https://yourspaceid.backlog.jp'
        }
    }
    assert_equal 'https://yourspaceid.backlog.jp/OAuth2AccessRequest.action', strategy.client.authorize_url
  end

  def test_it_has_the_correct_token_url_with_site_from_options
    @options = {
        :client_options => {
            :site => 'https://yourspaceid.backlog.jp'
        }
    }
    assert_equal 'https://yourspaceid.backlog.jp/api/v2/oauth2/token', strategy.client.token_url
  end

end
```

Refactor (set testing options in setup).
user
```ruby
require 'test_helper'


class TestOmniAuthBacklogWithSiteId < StrategyTestCase
  def setup
    super
    @options = {
        :site_id => 'yourspaceid'
    }
  end

  def test_site_is_based_from_space_id
    assert_equal 'https://yourspaceid.backlog.jp', strategy.client.site
  end

end


class TestOmniAuthBacklogWithSite < StrategyTestCase
  def setup
    super
    @options = {
        :client_options => {
            :site => 'https://yourspaceid.backlog.jp'
        }
    }
  end

  def test_it_has_the_correct_site_from_options
    assert_equal 'https://yourspaceid.backlog.jp', strategy.client.site
  end

  def test_it_has_the_correct_authorize_url_with_site_from_options
    assert_equal 'https://yourspaceid.backlog.jp/OAuth2AccessRequest.action', strategy.client.authorize_url
  end

  def test_it_has_the_correct_token_url_with_site_from_options
    assert_equal 'https://yourspaceid.backlog.jp/api/v2/oauth2/token', strategy.client.token_url
  end

end
```
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