only in patch2:
unchanged:
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/Menu/LocalActionDefaultTest.php
@@ -0,0 +1,124 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\Menu\LocalActionDefaultTest.
+ */
+
+namespace Drupal\Tests\Core\Menu;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\Menu\LocalActionDefault;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Tests the local action default class.
+ *
+ * @see \Drupal\Core\Menu\LocalActionDefault
+ */
+class LocalActionDefaultTest extends UnitTestCase {
+
+  /**
+   * The tested local action default plugin.
+   *
+   * @var \Drupal\Core\Menu\LocalActionDefault
+   */
+  protected $localActionDefault;
+
+  /**
+   * The used plugin configuration.
+   *
+   * @var array
+   */
+  protected $config = array();
+
+  /**
+   * The used plugin ID.
+   *
+   * @var string
+   */
+  protected $pluginId = 'local_action_default';
+
+  /**
+   * The used plugin definition.
+   *
+   * @var array
+   */
+  protected $pluginDefinition = array(
+    'id' => 'local_action_default',
+  );
+
+  /**
+   * The mocked translator.
+   *
+   * @var \Drupal\Core\StringTranslation\TranslationInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $stringTranslation;
+
+  /**
+   * The mocked route provider.
+   *
+   * @var \Drupal\Core\Routing\RouteProviderInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $routeProvider;
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Local actions default plugin.',
+      'description' => 'Tests the local action default class.',
+      'group' => 'Menu',
+    );
+  }
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->stringTranslation = $this->getMock('Drupal\Core\StringTranslation\TranslationInterface');
+    $this->routeProvider = $this->getMock('Drupal\Core\Routing\RouteProviderInterface');
+  }
+
+  /**
+   * Setups the local action default.
+   */
+  protected function setupLocalActionDefault() {
+    $container = new ContainerBuilder();
+    $container->set('string_translation', $this->stringTranslation);
+    \Drupal::setContainer($container);
+
+    $this->localActionDefault = new LocalActionDefault($this->config, $this->pluginId, $this->pluginDefinition, $this->routeProvider);
+  }
+
+  /**
+   * Tests the getTitle method without a translation context.
+   *
+   * @see \Drupal\Core\Menu\LocalTaskDefault::getTitle()
+   */
+  public function testGetTitle() {
+    $this->pluginDefinition['title'] = 'Example';
+    $this->stringTranslation->expects($this->once())
+      ->method('translate')
+      ->with($this->pluginDefinition['title'], array(), array())
+      ->will($this->returnValue('Example translated'));
+
+    $this->setupLocalActionDefault();
+    $this->assertEquals('Example translated', $this->localActionDefault->getTitle());
+  }
+
+  /**
+   * Tests the getTitle method with a translation context.
+   *
+   * @see \Drupal\Core\Menu\LocalTaskDefault::getTitle()
+   */
+  public function testGetTitleWithContext() {
+    $this->pluginDefinition['title'] = 'Example';
+    $this->pluginDefinition['title_context'] = 'context';
+    $this->stringTranslation->expects($this->once())
+      ->method('translate')
+      ->with($this->pluginDefinition['title'], array(), array('context' => 'context'))
+      ->will($this->returnValue('Example translated with context'));
+
+    $this->setupLocalActionDefault();
+    $this->assertEquals('Example translated with context', $this->localActionDefault->getTitle());
+  }
+
+}