diff --git a/src/Tests/PageManagerResponseCacheTest.php b/src/Tests/PageManagerResponseCacheTest.php
new file mode 100644
index 0000000..adb3451
--- /dev/null
+++ b/src/Tests/PageManagerResponseCacheTest.php
@@ -0,0 +1,85 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\page_manager\Tests\PageManagerResponseCacheTest.
+ */
+
+namespace Drupal\page_manager\Tests;
+
+use Drupal\page_manager\Entity\Page;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * @todo.
+ *
+ * @group page_manager
+ */
+class PageManagerResponseCacheTest extends WebTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['block', 'node', 'page_manager'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->drupalCreateContentType(['type' => 'page']);
+    $this->drupalCreateNode(['title' => 'The node title!']);
+  }
+
+  public function testDisableOverriddenPage() {
+    $this->drupalGet('node/1');
+    $this->assertText('The node title!');
+    $this->assertNoCacheTag('config:page_manager.page.foo');
+
+    $page = Page::create([
+      'id' => 'foo',
+      'label' => $this->randomMachineName(),
+      'path' => '/node/{node}',
+    ]);
+    $page->addVariant([
+      'id' => 'block_display',
+      'label' => 'Block page',
+    ]);
+    $page->save();
+    // Trigger a rebuild, since this would normally be triggered via the UI.
+    $this->container->get('router.builder')->rebuildIfNeeded();
+
+    $this->drupalGet('node/1');
+    $this->assertNoText('The node title!');
+    $this->assertCacheTag('config:page_manager.page.foo');
+
+    // Disable the page, and ensure the node is rendered normally.
+    $page->disable()->save();
+    // Trigger a rebuild, since this would normally be triggered via the UI.
+    $this->container->get('router.builder')->rebuildIfNeeded();
+
+    $this->drupalGet('node/1');
+    $this->assertText('The node title!');
+    $this->assertNoCacheTag('config:page_manager.page.foo');
+
+    // Enable the page, and ensure the node is rendered through page_manager.
+    $page->enable()->save();
+    // Trigger a rebuild, since this would normally be triggered via the UI.
+    $this->container->get('router.builder')->rebuildIfNeeded();
+
+    $this->drupalGet('node/1');
+    $this->assertNoText('The node title!');
+    $this->assertCacheTag('config:page_manager.page.foo');
+
+    // Delete the page, and ensure the node is rendered normally.
+    $page->delete();
+    // Trigger a rebuild, since this would normally be triggered via the UI.
+    $this->container->get('router.builder')->rebuildIfNeeded();
+
+    $this->drupalGet('node/1');
+    $this->assertText('The node title!');
+    $this->assertNoCacheTag('config:page_manager.page.foo');
+  }
+
+}