- Patch #1591710 by swentel, heyrocker, sun: Remove vestiges of block caching from core.

core/modules/block/config/block.performance.yml

-block_cache: '0'

core/modules/system/lib/Drupal/system/Tests/System/BlockTest.php

-<?php
-
-/**
- * @file
- * Definition of Drupal\system\Tests\System\BlockTest.
- */
-
-namespace Drupal\system\Tests\System;
-
-use Drupal\simpletest\WebTestBase;
-
-class BlockTest extends WebTestBase {
-  public static function getInfo() {
-    return array(
-      'name' => 'Block functionality',
-      'description' => 'Configure and move powered-by block.',
-      'group' => 'System',
-    );
-  }
-
-  function setUp() {
-    parent::setUp('block');
-
-    // Create and login user
-    $admin_user = $this->drupalCreateUser(array('administer blocks', 'access administration pages'));
-    $this->drupalLogin($admin_user);
-  }
-
-  /**
-   * Test displaying and hiding the powered-by and help blocks.
-   */
-  function testSystemBlocks() {
-    // Set block title and some settings to confirm that the interface is available.
-    $this->drupalPost('admin/structure/block/manage/system/powered-by/configure', array('title' => $this->randomName(8)), t('Save block'));
-    $this->assertText(t('The block configuration has been saved.'), t('Block configuration set.'));
-
-    // Set the powered-by block to the footer region.
-    $edit = array();
-    $edit['blocks[system_powered-by][region]'] = 'footer';
-    $edit['blocks[system_main][region]'] = 'content';
-    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
-    $this->assertText(t('The block settings have been updated.'), t('Block successfully moved to footer region.'));
-
-    // Confirm that the block is being displayed.
-    $this->drupalGet('node');
-    $this->assertRaw('id="block-system-powered-by"', t('Block successfully being displayed on the page.'));
-
-    // Set the block to the disabled region.
-    $edit = array();
-    $edit['blocks[system_powered-by][region]'] = '-1';
-    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
-
-    // Confirm that the block is hidden.
-    $this->assertNoRaw('id="block-system-powered-by"', t('Block no longer appears on page.'));
-
-    // For convenience of developers, set the block to its default settings.
-    $edit = array();
-    $edit['blocks[system_powered-by][region]'] = 'footer';
-    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
-    $this->drupalPost('admin/structure/block/manage/system/powered-by/configure', array('title' => ''), t('Save block'));
-
-    // Set the help block to the help region.
-    $edit = array();
-    $edit['blocks[system_help][region]'] = 'help';
-    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
-
-    // Test displaying the help block with block caching enabled.
-    variable_set('block_cache', TRUE);
-    $this->drupalGet('admin/structure/block/add');
-    $this->assertRaw(t('Use this page to create a new custom block.'));
-    $this->drupalGet('admin/index');
-    $this->assertRaw(t('This page shows you all available administration tasks for each module.'));
-  }
-}