diff --git a/src/Symfony/Component/Cache/Simple/Psr6Cache.php b/src/Symfony/Component/Cache/Simple/Psr6Cache.php
index 29c039f2c169d..fceb9ba70fd80 100644
--- a/src/Symfony/Component/Cache/Simple/Psr6Cache.php
+++ b/src/Symfony/Component/Cache/Simple/Psr6Cache.php
@@ -154,7 +154,7 @@ public function getMultiple($keys, $default = null)
                 $values[$key] = $item->isHit() ? $item->get() : $default;
             }
 
-            return $value;
+            return $values;
         }
 
         foreach ($items as $key => $item) {
diff --git a/src/Symfony/Component/Cache/Tests/Fixtures/ExternalAdapter.php b/src/Symfony/Component/Cache/Tests/Fixtures/ExternalAdapter.php
index 779a374ec7ab8..deb0b3bc3402a 100644
--- a/src/Symfony/Component/Cache/Tests/Fixtures/ExternalAdapter.php
+++ b/src/Symfony/Component/Cache/Tests/Fixtures/ExternalAdapter.php
@@ -24,9 +24,9 @@ class ExternalAdapter implements CacheItemPoolInterface
 {
     private $cache;
 
-    public function __construct()
+    public function __construct(int $defaultLifetime = 0)
     {
-        $this->cache = new ArrayAdapter();
+        $this->cache = new ArrayAdapter($defaultLifetime);
     }
 
     public function getItem($key)
diff --git a/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheTest.php
index 1bc75c906035e..65d48a978c503 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheTest.php
@@ -11,13 +11,9 @@
 
 namespace Symfony\Component\Cache\Tests\Simple;
 
-use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\Cache\Simple\Psr6Cache;
 
-/**
- * @group time-sensitive
- */
-class Psr6CacheTest extends CacheTestCase
+abstract class Psr6CacheTest extends CacheTestCase
 {
     protected $skippedTests = [
         'testPrune' => 'Psr6Cache just proxies',
@@ -25,6 +21,8 @@ class Psr6CacheTest extends CacheTestCase
 
     public function createSimpleCache($defaultLifetime = 0)
     {
-        return new Psr6Cache(new FilesystemAdapter('', $defaultLifetime));
+        return new Psr6Cache($this->createCacheItemPool($defaultLifetime));
     }
+
+    abstract protected function createCacheItemPool($defaultLifetime = 0);
 }
diff --git a/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithAdapterTest.php b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithAdapterTest.php
new file mode 100644
index 0000000000000..46da9354d6db5
--- /dev/null
+++ b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithAdapterTest.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Tests\Simple;
+
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+
+/**
+ * @group time-sensitive
+ */
+class Psr6CacheWithAdapterTest extends Psr6CacheTest
+{
+    protected function createCacheItemPool($defaultLifetime = 0)
+    {
+        return new FilesystemAdapter('', $defaultLifetime);
+    }
+}
diff --git a/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithoutAdapterTest.php b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithoutAdapterTest.php
new file mode 100644
index 0000000000000..a8c4164dcbb1d
--- /dev/null
+++ b/src/Symfony/Component/Cache/Tests/Simple/Psr6CacheWithoutAdapterTest.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Tests\Simple;
+
+use Symfony\Component\Cache\Tests\Fixtures\ExternalAdapter;
+
+/**
+ * @group time-sensitive
+ */
+class Psr6CacheWithoutAdapterTest extends Psr6CacheTest
+{
+    protected function createCacheItemPool($defaultLifetime = 0)
+    {
+        return new ExternalAdapter($defaultLifetime);
+    }
+}