diff --git a/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php b/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
index cb5cd87..2079d48 100644
--- a/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
+++ b/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
@@ -1529,7 +1529,9 @@ protected function cacheGet($ids) {
         // Call the load hooks on the entities loaded from the persistent cache.
         if (!empty($entities_from_cache)) {
           $this->invokeLoadHook($entities_from_cache);
-          $entities = array_merge($entities, $entities_from_cache);
+          foreach ($entities_from_cache as $id => $entity) {
+            $entities[$id] = $entity;
+          }
         }
 
       }
diff --git a/core/modules/field/lib/Drupal/field/Tests/FieldAttachOtherTest.php b/core/modules/field/lib/Drupal/field/Tests/FieldAttachOtherTest.php
index 23e7fd1..c120377 100644
--- a/core/modules/field/lib/Drupal/field/Tests/FieldAttachOtherTest.php
+++ b/core/modules/field/lib/Drupal/field/Tests/FieldAttachOtherTest.php
@@ -269,15 +269,15 @@ function testFieldAttachCache() {
     $entity = clone($entity_init);
     $entity->{$this->field_name_2} = $values;
     $entity->save();
-    $cid = "field:$entity_type:" . $entity->id();
+    $cid = "entity:$entity_type:" . $entity->id();
     $this->assertFalse(cache('field')->get($cid), 'Cached: no cache entry on insert');
 
     // Load, and check that a cache entry is present with the expected values.
     $controller = $this->container->get('entity.manager')->getStorageController($entity->entityType());
     $controller->resetCache();
     $controller->load($entity->id());
-    $cache = cache('field')->get($cid);
-    $this->assertEqual($cache->data[$langcode][$this->field_name_2], $values, 'Cached: correct cache entry on load');
+    $cache = cache('entity')->get($cid);
+    $this->assertEqual($cache->data['values'][$this->field_name_2][$langcode], $values, 'Cached: correct cache entry on load');
 
     // Update with different values, and check that the cache entry is wiped.
     $values = $this->_generateTestFieldValues($this->field_2->getFieldCardinality());
@@ -287,13 +287,13 @@ function testFieldAttachCache() {
     ));
     $entity->{$this->field_name_2} = $values;
     $entity->save();
-    $this->assertFalse(cache('field')->get($cid), 'Cached: no cache entry on update');
+    $this->assertFalse(cache('entity')->get($cid), 'Cached: no cache entry on update');
 
     // Load, and check that a cache entry is present with the expected values.
     $controller->resetCache();
     $controller->load($entity->id());
-    $cache = cache('field')->get($cid);
-    $this->assertEqual($cache->data[$langcode][$this->field_name_2], $values, 'Cached: correct cache entry on load');
+    $cache = cache('entity')->get($cid);
+    $this->assertEqual($cache->data['values'][$this->field_name_2][$langcode], $values, 'Cached: correct cache entry on load');
 
     // Create a new revision, and check that the cache entry is wiped.
     $entity = entity_create($entity_type, array(
@@ -309,12 +309,12 @@ function testFieldAttachCache() {
     // Load, and check that a cache entry is present with the expected values.
     $controller->resetCache();
     $controller->load($entity->id());
-    $cache = cache('field')->get($cid);
-    $this->assertEqual($cache->data[$langcode][$this->field_name_2], $values, 'Cached: correct cache entry on load');
+    $cache = cache('entity')->get($cid);
+    $this->assertEqual($cache->data['values'][$this->field_name_2][$langcode], $values, 'Cached: correct cache entry on load');
 
     // Delete, and check that the cache entry is wiped.
     $entity->delete();
-    $this->assertFalse(cache('field')->get($cid), 'Cached: no cache entry after delete');
+    $this->assertFalse(cache('entity')->get($cid), 'Cached: no cache entry after delete');
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Update/UpdateScriptTest.php b/core/modules/system/lib/Drupal/system/Tests/Update/UpdateScriptTest.php
index d581147..b9ed58f 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Update/UpdateScriptTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Update/UpdateScriptTest.php
@@ -61,11 +61,7 @@ function testUpdateAccess() {
     $this->assertResponse(200);
 
     // Access the update page as user 1.
-    $user1 = user_load(1);
-    $user1->pass_raw = user_password();
-    $user1->pass = $this->container->get('password')->hash(trim($user1->pass_raw));
-    db_query("UPDATE {users} SET pass = :pass WHERE uid = :uid", array(':pass' => $user1->getPassword(), ':uid' => $user1->id()));
-    $this->drupalLogin($user1);
+    $this->drupalLogin($this->root_user);
     $this->drupalGet($this->update_url, array('external' => TRUE));
     $this->assertResponse(200);
   }
diff --git a/core/modules/text/lib/Drupal/text/Tests/TextWithSummaryItemTest.php b/core/modules/text/lib/Drupal/text/Tests/TextWithSummaryItemTest.php
index 6309c98..9e19654 100644
--- a/core/modules/text/lib/Drupal/text/Tests/TextWithSummaryItemTest.php
+++ b/core/modules/text/lib/Drupal/text/Tests/TextWithSummaryItemTest.php
@@ -126,38 +126,36 @@ function testProcessedCache() {
     // Load the entity and check that the field cache contains the expected
     // data.
     $entity = entity_load($entity_type, $entity->id());
-    $cache = cache('field')->get("field:$entity_type:" . $entity->id());
-    $this->assertEqual($cache->data, array(
+    $cache = cache('entity')->get("entity:$entity_type:" . $entity->id());
+    $this->assertEqual($cache->data['values']['summary_field'], array(
       Language::LANGCODE_DEFAULT => array(
-        'summary_field' => array(
-          0 => array(
-            'value' => $value,
-            'summary' => $summary,
-            'format' => 'plain_text',
-            'processed' => $value,
-            'summary_processed' => $summary,
-          ),
+        0 => array(
+          'value' => $value,
+          'summary' => $summary,
+          'format' => 'plain_text',
+          'processed' => $value,
+          'summary_processed' => $summary,
         ),
       ),
     ));
 
     // Inject fake processed values into the cache to make sure that these are
     // used as-is and not re-calculated when the entity is loaded.
-    $data = array(
+    $data = $cache->data;
+    $data['values']['summary_field'] = array(
       Language::LANGCODE_DEFAULT => array(
-        'summary_field' => array(
-          0 => array(
-            'value' => $value,
-            'summary' => $summary,
-            'format' => 'plain_text',
-            'processed' => 'Cached processed value',
-            'summary_processed' => 'Cached summary processed value',
-          ),
+        0 => array(
+          'value' => $value,
+          'summary' => $summary,
+          'format' => 'plain_text',
+          'processed' => 'Cached processed value',
+          'summary_processed' => 'Cached summary processed value',
         ),
       ),
     );
-    cache('field')->set("field:$entity_type:" . $entity->id(), $data);
-    $entity = entity_load($entity_type, $entity->id(), TRUE);
+    \Drupal::entityManager()->getStorageController($entity_type)->resetCache();
+    cache('entity')->set("entity:$entity_type:" . $entity->id(), $data);
+    $entity = entity_load($entity_type, $entity->id());
     $this->assertEqual($entity->summary_field->processed, 'Cached processed value');
     $this->assertEqual($entity->summary_field->summary_processed, 'Cached summary processed value');