--- /dev/null
+<?php
+
+namespace Drupal\Tests\block\Functional;
+
+use Drupal\Component\Utility\Unicode;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests for Block module regarding hook_entity_operations_alter().
+ *
+ * @group block
+ */
+class BlockHookOperationTest extends BrowserTestBase {
+
+ /**
+ * Modules to install.
+ *
+ * @var array
+ */
+ public static $modules = ['block', 'entity_test'];
+
+ protected function setUp() {
+ parent::setUp();
+
+ $permissions = [
+ 'administer blocks',
+ ];
+
+ // Create and log in user.
+ $admin_user = $this->drupalCreateUser($permissions);
+ $this->drupalLogin($admin_user);
+ }
+
+ /**
+ * Tests the block list to see if the test_operation link is added.
+ */
+ public function testBlockOperationAlter() {
+ // Add a test block, any block will do.
+ // Set the machine name so the test_operation link can be built later.
+ $block_id = Unicode::strtolower($this->randomMachineName(16));
+ $this->drupalPlaceBlock('system_powered_by_block', ['id' => $block_id]);
+
+ // Get the Block listing.
+ $this->drupalGet('admin/structure/block');
+
+ $test_operation_link = 'admin/structure/block/manage/' . $block_id . '/test_operation';
+ // Test if the test_operation link is on the page.
+ $this->assertLinkByHref($test_operation_link);
+ }
+
+}