diff --git a/core/modules/simpletest/tests/upgrade/upgrade_bare.test b/core/modules/simpletest/tests/upgrade/upgrade_bare.test
index db71228..f507aea 100644
--- a/core/modules/simpletest/tests/upgrade/upgrade_bare.test
+++ b/core/modules/simpletest/tests/upgrade/upgrade_bare.test
@@ -27,5 +27,8 @@ class BareUpgradePathTestCase extends UpgradePathTestCase {
    */
   public function testBareUpgrade() {
     $this->assertTrue($this->performUpgrade(), t('The upgrade was completed successfully.'));
+
+    // Ensure that the new Entity module is enabled after upgrade.
+    $this->assertTrue(module_exists('entity'), 'Entity module enabled after upgrade.');
   }
 }