diff --git a/core/modules/migrate/tests/src/Unit/MigrateTestCase.php b/core/modules/migrate/tests/src/Unit/MigrateTestCase.php
index 75348fa..b1f8dbc 100644
--- a/core/modules/migrate/tests/src/Unit/MigrateTestCase.php
+++ b/core/modules/migrate/tests/src/Unit/MigrateTestCase.php
@@ -24,13 +24,14 @@
    *   The mocked migration.
    */
   protected function getMigration() {
+    $this->migrationConfiguration += ['migrationClass' => 'Drupal\migrate\Entity\Migration'];
     $this->idMap = $this->getMock('Drupal\migrate\Plugin\MigrateIdMapInterface');
 
     $this->idMap->expects($this->any())
       ->method('getQualifiedMapTableName')
       ->will($this->returnValue('test_map'));
 
-    $migration = $this->getMockBuilder('Drupal\migrate\Entity\Migration')
+    $migration = $this->getMockBuilder($this->migrationConfiguration['migrationClass'])
       ->disableOriginalConstructor()
       ->getMock();
     $migration->expects($this->any())
diff --git a/core/modules/migrate_drupal/src/MigrationStorage.php b/core/modules/migrate_drupal/src/MigrationStorage.php
index 28afe63..e495122 100644
--- a/core/modules/migrate_drupal/src/MigrationStorage.php
+++ b/core/modules/migrate_drupal/src/MigrationStorage.php
@@ -58,6 +58,7 @@ public function loadMultiple(array $ids = NULL) {
       foreach ($entities as $entity_id => $entity) {
         if ($plugin = $entity->getLoadPlugin()) {
           $new_entities = $plugin->loadMultiple($this);
+          $this->postLoad($new_entities);
           $this->getDynamicIds($dynamic_ids, $new_entities);
           $return += $new_entities;
         }
@@ -73,6 +74,7 @@ public function loadMultiple(array $ids = NULL) {
         if ($plugin = $entity->getLoadPlugin()) {
           unset($entities[$base_id]);
           $new_entities = $plugin->loadMultiple($this, $sub_ids);
+          $this->postLoad($new_entities);
           if (!isset($sub_ids)) {
             unset($dynamic_ids[$base_id]);
             $this->getDynamicIds($dynamic_ids, $new_entities);
diff --git a/core/modules/migrate_drupal/tests/src/Unit/MigrationStorageTest.php b/core/modules/migrate_drupal/tests/src/Unit/MigrationStorageTest.php
new file mode 100644
index 0000000..f1a5f70
--- /dev/null
+++ b/core/modules/migrate_drupal/tests/src/Unit/MigrationStorageTest.php
@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\migrate_drupal\Unit\MigrationStorageTest.
+ */
+
+namespace Drupal\Tests\migrate_drupal\Unit;
+
+use Drupal\Tests\migrate\Unit\MigrateTestCase;
+
+/**
+ * Tests the MigrationStorage load plugin.
+ *
+ * @group migrate_drupal
+ */
+class MigrationStorageTest extends MigrateTestCase {
+
+  protected $migrationConfiguration = array('id' => 'test_migration', 'migrationClass' => 'Drupal\migrate_drupal\Entity\Migration');
+
+  /**
+     * Test that the entity load hooks are called on dynamic migrations.
+   *
+   * @dataProvider entityIdsDataProvider
+     */
+  public function testMigrationStorage($entity_ids) {
+    $entity_type = $this->getMock('Drupal\Core\Entity\EntityTypeInterface');
+    $entity_type
+      ->expects($this->exactly(2))
+      ->method('isStaticallyCacheable')
+      ->willReturn(FALSE);
+
+    $load_plugin = $this->getMock('Drupal\migrate_drupal\Plugin\MigrateLoadInterface');
+    $load_plugin
+      ->expects($this->once(1))
+      ->method('loadMultiple')
+      ->willReturn([]);
+
+    $migration = $this->getMigration();
+    $migration
+      ->expects($this->once())
+      ->method('getLoadPlugin')
+      ->willReturn($load_plugin);
+
+    $storage = $this->getMock('Drupal\migrate_drupal\TestMigrationStorage', ['postLoad', 'doLoadMultiple'], [$entity_type]);
+    $storage
+      ->expects($this->exactly(2))
+      ->method('postLoad');
+    $storage
+      ->expects($this->once())
+      ->method('doLoadMultiple')
+      ->willReturn(['test_migration' => $migration]);
+
+    $storage->loadMultiple($entity_ids);
+  }
+
+  /**
+   * The data provider for migration storage.
+   *
+   * @return array
+   *   The entity ids.
+   */
+  public function entityIdsDataProvider() {
+    return [
+      [['test_migration:bundle']],
+      [NULL],
+    ];
+  }
+
+}
+
+namespace Drupal\migrate_drupal;
+
+class TestMigrationStorage extends MigrationStorage {
+  public function __construct($entity_type) {
+    $this->entityType = $entity_type;
+  }
+}