Drupal 9 Deprecated Code Report

I've run Drupal checker, as result there is still deprecated code in 8.x-1.x.dev branch.

Line sitemap.module
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224 Call to deprecated function db_select():
in drupal:8.0.0 and is removed from drupal:9.0.0. Instead, get
a database connection injected into your service from the container and
call select() on it. For example,
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Line sitemap.theme.inc
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164 Call to deprecated method entityManager() of class Drupal:
in drupal:8.0.0 and is removed from drupal:9.0.0.
Use \Drupal::entityTypeManager() instead in most cases. If the needed
method is not on \Drupal\Core\Entity\EntityTypeManagerInterface, see the
deprecated \Drupal\Core\Entity\EntityManager to find the
correct interface or service.
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Line src/Form/SitemapSettingsForm.php
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89 Call to deprecated method l() of class Drupal\Core\Form\FormBase:
in drupal:8.0.0 and is removed from drupal:9.0.0. Use
\Drupal\Core\Link::fromTextAndUrl() instead.
264 Call to deprecated method l() of class Drupal\Core\Form\FormBase:
in drupal:8.0.0 and is removed from drupal:9.0.0. Use
\Drupal\Core\Link::fromTextAndUrl() instead.
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Line src/Tests/SitemapBookTest.php
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12 Class Drupal\sitemap\Tests\SitemapBookTest extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
32 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
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Line src/Tests/SitemapContentTest.php
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13 Class Drupal\sitemap\Tests\SitemapContentTest extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
26 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
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Line src/Tests/SitemapCssTest.php
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12 Class Drupal\sitemap\Tests\SitemapCssTest extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
25 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
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Line src/Tests/SitemapMenuTestBase.php
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10 Class Drupal\sitemap\Tests\SitemapMenuTestBase extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
37 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
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Line src/Tests/SitemapRssTest.php
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13 Class Drupal\sitemap\Tests\SitemapRssTest extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
26 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
45 Call to deprecated method strtolower() of class Drupal\Component\Utility\Unicode:
in drupal:8.6.0 and is removed from drupal:9.0.0. Use
mb_strtolower() instead.
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Line src/Tests/SitemapTaxonomyTestBase.php
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13 Class Drupal\sitemap\Tests\SitemapTaxonomyTestBase extends deprecated class Drupal\taxonomy\Tests\TaxonomyTestBase:
in drupal:8.?.? and is removed from drupal:9.0.0.
Use \Drupal\Tests\taxonomy\Functional\TaxonomyTestBase instead.
47 Call to method setUp() of deprecated class Drupal\taxonomy\Tests\TaxonomyTestBase:
in drupal:8.?.? and is removed from drupal:9.0.0.
Use \Drupal\Tests\taxonomy\Functional\TaxonomyTestBase instead.