diff --git a/core/tests/Drupal/Tests/Core/File/LocalReadOnlyStreamTest.php b/core/tests/Drupal/Tests/Core/File/LocalReadOnlyStreamTest.php
index dff81a8..558a449 100644
--- a/core/tests/Drupal/Tests/Core/File/LocalReadOnlyStreamTest.php
+++ b/core/tests/Drupal/Tests/Core/File/LocalReadOnlyStreamTest.php
@@ -1,17 +1,17 @@
 <?php
 
-namespace Drupal\Tests\Core\Kernel;
+namespace Drupal\Tests\Core\File;
 
 use Drupal\Core\StreamWrapper\StreamWrapperInterface;
 use Drupal\file_test\StreamWrapper\DummyReadOnlyStreamWrapper;
-use Drupal\KernelTests\KernelTestBase;
+use Drupal\Tests\UnitTestCase;
 
 /**
- * Tests \Drupal\Core\StreamWrapper\LocalReadOnlyStream
+ * @coversDefaultClass \Drupal\Core\StreamWrapper\LocalReadOnlyStream
  *
- * @package file
+ * @package File
  */
-class LocalReadOnlyStreamTest extends KernelTestBase {
+class LocalReadOnlyStreamTest extends UnitTestCase {
 
   /**
    * Tests if the stream wrapper correctly returns its type.
@@ -19,7 +19,7 @@ class LocalReadOnlyStreamTest extends KernelTestBase {
   public function testGetType() {
     $type = DummyReadOnlyStreamWrapper::getType();
     // Checks that the stream wrapper type is not declared as writable.
-    $this->assertFalse($type & StreamWrapperInterface::WRITE);
+    $this->assertSame(0, $type & StreamWrapperInterface::WRITE);
   }
 
 }