diff --git a/core/modules/config/src/Tests/ConfigImportAllTest.php b/core/modules/config/src/Tests/ConfigImportAllTest.php
index 7b73631..0ef0fe1 100644
--- a/core/modules/config/src/Tests/ConfigImportAllTest.php
+++ b/core/modules/config/src/Tests/ConfigImportAllTest.php
@@ -104,6 +104,7 @@ public function testInstallUninstall() {
     $this->drupalPostForm('admin/config/development/configuration', array(), t('Import all'));
 
     // Check that there are no errors.
+    $this->container->get('kernel')->rebuildContainer();
     $this->assertIdentical($this->configImporter()->getErrors(), array());
 
     // Check that all modules that were uninstalled are now reinstalled.