diff -u b/core/modules/user/src/Tests/UserLoginTest.php b/core/modules/user/src/Tests/UserLoginTest.php
--- b/core/modules/user/src/Tests/UserLoginTest.php
+++ b/core/modules/user/src/Tests/UserLoginTest.php
@@ -205,7 +205,7 @@
     $this->drupalPostForm(NULL, $edit, 'Submit');
     $_emails = $this->drupalGetMails();
     $email = end($_emails);
-    $urls = array();
+    $urls = [];
     preg_match('#.+user/reset/.+#', $email['body'], $urls);
     $resetURL = $urls[0];
     $this->drupalGet($resetURL);