diff --git a/block_example/block_example.routing.yml b/block_example/block_example.routing.yml
index 93f7a24..e9fe04b 100644
--- a/block_example/block_example.routing.yml
+++ b/block_example/block_example.routing.yml
@@ -4,4 +4,4 @@ block_example.description:
     _controller: '\Drupal\block_example\Controller\BlockExampleController::description'
     _title: 'Block Example'
   requirements:
-    _access: 'TRUE'
+    _access: 'access content'
diff --git a/block_example/src/Tests/BlockExampleMenuTest.php b/block_example/src/Tests/BlockExampleMenuTest.php
index 5e47b22..8dc85cb 100644
--- a/block_example/src/Tests/BlockExampleMenuTest.php
+++ b/block_example/src/Tests/BlockExampleMenuTest.php
@@ -38,16 +38,30 @@ class BlockExampleMenuTest extends WebTestBase {
    * Test for a link to the block example in the Tools menu.
    */
   public function testBlockExampleLink() {
+    // Login with the user having 'access content' permission.
+    $this->drupalLogin($this->drupalCreateUser(['access content']));
     $this->drupalGet('');
     $this->assertLinkByHref('examples/block_example');
+
+    // Logout and become anonymous user.
+    $this->drupalLogout();
+    $this->drupalGet('');
+    $this->assertNoLinkByHref('examples/block_example');
   }
 
   /**
    * Tests block_example menus.
    */
   public function testBlockExampleMenu() {
+    // Login with the user having 'access content' permission.
+    $this->drupalLogin($this->drupalCreateUser(['access content']));
     $this->drupalGet('examples/block_example');
     $this->assertResponse(200, 'Description page exists.');
+
+    // Logout and become anonymous user.
+    $this->drupalLogout();
+    $this->drupalGet('examples/block_example');
+    $this->assertResponse(401, 'Access denied for description page.');
   }
 
 }