diff --git a/tests/modules/metatag_test_integration/metatag_test_integration.info.yml b/tests/modules/metatag_test_integration/metatag_test_integration.info.yml
new file mode 100644
index 0000000..bbf7bb6
--- /dev/null
+++ b/tests/modules/metatag_test_integration/metatag_test_integration.info.yml
@@ -0,0 +1,7 @@
+name: "Metatag: Test Integration"
+type: module
+description: Support module for integration with metatag module.
+core_version_requirement: '^8.7.7 || ^9'
+package: Testing
+dependencies:
+  - metatag:metatag
diff --git a/tests/modules/metatag_test_integration/metatag_test_integration.module b/tests/modules/metatag_test_integration/metatag_test_integration.module
new file mode 100644
index 0000000..b5a27bd
--- /dev/null
+++ b/tests/modules/metatag_test_integration/metatag_test_integration.module
@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * @file
+ * Contains metatag_test_integration.module.
+ */
+
+/**
+ * Implements hook_page_attachments_alter().
+ */
+function metatag_test_integration_page_attachments_alter(array &$attachments) {
+  $metatag_attachments = &drupal_static('metatag_attachments');
+  $title = "This is the title I want | [site:name] | Yeah!";
+  if (isset($title)) {
+    _metatag_test_integration_replace_tag('title', \Drupal::token()->replace($title), $metatag_attachments);
+  }
+}
+
+/**
+ * Replaces meta tag in html head with given content.
+ *
+ * @param type $name
+ *
+ * @param type $content
+ *
+ * @param array $attachments
+ */
+function _metatag_test_integration_replace_tag($name, $content, array &$attachments) {
+  if (empty($attachments['#attached'])) {
+    $attachments['#attached'] = [];
+  }
+
+  if (empty($attachments['#attached']['html_head'])) {
+    $attachments['#attached']['html_head'] = [];
+  }
+
+  $index = _metatag_test_integration_find_tag($name, $attachments);
+
+  if ($index > -1) {
+    $attachments['#attached']['html_head'][$index][0]['#attributes']['content'] = $content;
+  }
+  else {
+    $attachments['#attached']['html_head'][] = [
+      0 => [
+        '#attributes' => ['name' => $name, 'content' => $content],
+        '#tag' => 'meta',
+      ],
+      1 => 'description',
+    ];
+  }
+}
+
+/**
+ * Finds the index of a meta tag in the html head.
+ *
+ * @param type $name
+ *
+ * @param array $attachments
+ *
+ * @return int
+ */
+function _metatag_test_integration_find_tag($name, array &$attachments) {
+  foreach ($attachments['#attached']['html_head'] as $index => $attachment) {
+    if ($attachment[1] == $name) {
+      return $index;
+    }
+  }
+  return -1;
+}
diff --git a/tests/src/Functional/MetatagIntegrationTest.php b/tests/src/Functional/MetatagIntegrationTest.php
new file mode 100644
index 0000000..ede781e
--- /dev/null
+++ b/tests/src/Functional/MetatagIntegrationTest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Drupal\Tests\metatag\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Ensures that the Metatag field works correctly on nodes.
+ *
+ * @group metatag
+ */
+class MetatagIntegrationTest extends BrowserTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    // The base module.
+    'metatag',
+
+    // Implements metatag_test_integration_page_attachments_alter().
+    'metatag_test_integration',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * Tests...
+   */
+  public function testPageTitle() {
+    // Get the front page and assert the page title.
+    $this->drupalGet('');
+    $this->assertSession()->titleEquals('This is the title I want | Drupal | Yeah!');
+  }
+
+}