diff --git a/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php b/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
index d740425..18fd23b 100644
--- a/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
+++ b/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
@@ -511,6 +511,38 @@ public function testLocalActions() {
   }
 
   /**
+   * Ensures that the "Check manually" links work properly on other admin pages.
+   */
+  public function testCheckManuallyLinks() {
+    $admin_user = $this->drupalCreateUser([
+      'administer site configuration',
+      'administer modules',
+      'administer software updates',
+      'view update notifications',
+    ]);
+    $this->drupalLogin($admin_user);
+
+    // We need to place the system status messages block since it's the links in
+    // there that we're trying to test.
+    $this->drupalPlaceBlock('system_messages_block');
+
+    $this->setProjectInstalledVersion('8.0.0');
+
+    // Instead of using refreshUpdateStatus(), set these manually.
+    $this->config('update.settings')
+      ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()->toString())
+      ->save();
+    $this->config('update_test.settings')
+      ->set('xml_map', ['drupal' => '0.1'])
+      ->save();
+
+    // Now we can fetch the 'Extend' page and should see the warning we care about.
+    $this->drupalGet('admin/modules');
+    $this->clickLink('check manually');
+    $this->assertSession()->statusCodeEquals(200);
+  }
+
+  /**
    * Checks that Drupal recovers after problems connecting to update server.
    */
   public function testBrokenThenFixedUpdates() {