diff --git a/core/modules/book/src/Tests/BookInstallTest.php b/core/modules/book/src/Tests/BookInstallTest.php
deleted file mode 100644
index ba70a9b..0000000
--- a/core/modules/book/src/Tests/BookInstallTest.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-namespace Drupal\book\Tests;
-
-use Drupal\simpletest\WebTestBase;
-use Drupal\Core\Config\PreExistingConfigException;
-
-/**
- * Test installation of Book module.
- *
- * @group book
- */
-class BookInstallTest extends WebTestBase {
-
-  /**
-   * Modules to install.
-   *
-   * @var array
-   */
-  public static $modules = array('node');
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function setUp() {
-    parent::setUp();
-  }
-
-  /**
-   * Test Book install with pre-existing content type.
-   *
-   * Tests that Book module can be installed if content type with machine name
-   * 'book' already exists.
-   */
-  public function testBookInstallWithPreexistingContentType() {
-    // Create a 'book' content type.
-    $this->drupalCreateContentType(['type' => 'book']);
-
-    // Install the Book module.
-    try {
-      $this->container->get('module_installer')->install(['book']);
-    }
-    catch (PreExistingConfigException $e) {
-      $this->fail("Expected exception thrown trying to install Book module: " . $e->getMessage());
-    }
-  }
-
-}
diff --git a/core/modules/book/tests/src/Functional/BookInstallTest.php b/core/modules/book/tests/src/Functional/BookInstallTest.php
new file mode 100644
index 0000000..9155ce4
--- /dev/null
+++ b/core/modules/book/tests/src/Functional/BookInstallTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Drupal\book\Tests;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Core\Config\PreExistingConfigException;
+
+/**
+ * Test installation of Book module.
+ *
+ * @group book
+ */
+class BookInstallTest extends BrowserTestBase {
+
+  /**
+   * Modules to install.
+   *
+   * @var array
+   */
+  public static $modules = array('node');
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+  }
+
+  /**
+   * Test Book install with pre-existing content type.
+   *
+   * Tests that Book module can be installed if content type with machine name
+   * 'book' already exists.
+   */
+  public function testBookInstallWithPreexistingContentType() {
+    // Create a 'book' content type.
+    $this->drupalCreateContentType(['type' => 'book']);
+
+    // Install the Book module.
+    try {
+      $this->container->get('module_installer')->install(['book']);
+    }
+    catch (PreExistingConfigException $e) {
+      $this->fail("Expected exception thrown trying to install Book module: " . $e->getMessage());
+    }
+  }
+
+}