diff -u b/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php b/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php
--- b/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php
@@ -65,8 +65,6 @@
     // up.
     $feed->block = 0;
     aggregator_save_feed((array) $feed);
-    // It is nescessary to flush the cache after saving the number of items.
-    $this->resetAll();
     // Check that the block is no longer displayed.
     $this->drupalGet('node');
     $this->assertNoText(t($block['title']), 'Feed block is not displayed on the page when number of items is set to 0.');
diff -u b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
--- b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
+++ b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
@@ -11,7 +11,7 @@
  *   id = "block_plugin_ui",
  *   title = @Translation("Block Library"),
  *   title_attribute = "subject",
- *   menu = FALSE,
+ *   menu = TRUE,
  *   all_plugins = @Translation("All Blocks"),
  *   link_title = @Translation("Configure Block"),
  *   config_path = "admin/structure/block/manage",
@@ -67 +67 @@
-}
\ No newline at end of file
+}
only in patch2:
unchanged:
--- a/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php
+++ b/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php
@@ -56,9 +56,8 @@ function setUp() {
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Basic page')), 'Basic page content type has been updated.');
 
     // Enable the language switcher block.
-    $language_type = LANGUAGE_TYPE_INTERFACE;
-    $edit = array("blocks[language_$language_type][region]" => 'sidebar_first');
-    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
+    $edit = array('machine_name' => 'language_switcher', 'region' => 'sidebar_first');
+    $this->drupalPost('admin/structure/block/manage/language_block%3Alanguage_interface/bartik', $edit, t('Save block'));
 
     // Reset static caches in our local language environment.
     $this->resetCaches();