core/modules/block/block.module                   |  5 +--
 core/modules/block/src/Tests/BlockInstallTest.php | 38 +++++++++++++++++++++++
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index cee87f0..e65d07a 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -307,10 +307,11 @@ function block_configurable_language_delete(ConfigurableLanguageInterface $langu
     }
   }
 }
+
 /**
- * Implements hook_modules_installed().
+ * Implements hook_install().
  */
-function block_modules_installed() {
+function block_install() {
   // Because the Block module upon installation unconditionally overrides all
   // HTML output by selecting a different page display variant, we must
   // invalidate all cached HTML output.
diff --git a/core/modules/block/src/Tests/BlockInstallTest.php b/core/modules/block/src/Tests/BlockInstallTest.php
index e69de29..84819e6 100644
--- a/core/modules/block/src/Tests/BlockInstallTest.php
+++ b/core/modules/block/src/Tests/BlockInstallTest.php
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\block\Tests\BlockInstallTest.
+ */
+
+namespace Drupal\block\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests block module's installation.
+ *
+ * @group block
+ */
+class BlockInstallTest extends WebTestBase {
+
+  public function testCacheTagInvalidationUponInstallation() {
+    // Warm the page cache.
+    $this->drupalGet('');
+    $this->assertNoText('Powered by Drupal');
+    $this->assertNoCacheTag('config:block_list');
+
+    // Install the block module, and place the "Powered by Drupal" block.
+    $this->container->get('module_installer')->install(['block', 'shortcut']);
+    $this->rebuildContainer();
+    $this->container->get('router.builder')->rebuild();
+    $this->drupalPlaceBlock('system_powered_by_block');
+
+    // Check the same page, block.module's hook_install() should have
+    // invalidated the 'rendered' cache tag to make blocks show up.
+    $this->drupalGet('');
+    $this->assertCacheTag('config:block_list');
+    $this->assertText('Powered by Drupal');
+  }
+
+}