diff --git a/lib/tests/authlib_test.php b/lib/tests/authlib_test.php
index 5594c0f9833..6d929c062e2 100644
--- a/lib/tests/authlib_test.php
+++ b/lib/tests/authlib_test.php
@@ -29,7 +29,7 @@ defined('MOODLE_INTERNAL') || die();
 /**
  * Functional test for authentication related APIs.
  */
-class authlib_testcase extends advanced_testcase {
+class core_authlib_testcase extends advanced_testcase {
     public function test_lockout() {
         global $CFG;
         require_once("$CFG->libdir/authlib.php");
@@ -45,7 +45,6 @@ class authlib_testcase extends advanced_testcase {
 
         $user = $this->getDataGenerator()->create_user();
 
-
         // Test lockout is disabled when threshold not set.
 
         $this->assertFalse(login_is_lockedout($user));
@@ -55,7 +54,6 @@ class authlib_testcase extends advanced_testcase {
         login_attempt_failed($user);
         $this->assertFalse(login_is_lockedout($user));
 
-
         // Test lockout threshold works.
 
         set_config('lockoutthreshold', 3);
@@ -68,13 +66,11 @@ class authlib_testcase extends advanced_testcase {
         $this->assertContains('noemailever', $output);
         $this->assertTrue(login_is_lockedout($user));
 
-
         // Test unlock works.
 
         login_unlock_account($user);
         $this->assertFalse(login_is_lockedout($user));
 
-
         // Test lockout window works.
 
         login_attempt_failed($user);
@@ -84,7 +80,6 @@ class authlib_testcase extends advanced_testcase {
         login_attempt_failed($user);
         $this->assertFalse(login_is_lockedout($user));
 
-
         // Test valid login resets window.
 
         login_attempt_valid($user);
@@ -93,7 +88,6 @@ class authlib_testcase extends advanced_testcase {
         login_attempt_failed($user);
         $this->assertFalse(login_is_lockedout($user));
 
-
         // Test lock duration works.
 
         ob_start(); // Prevent nomailever notice.
@@ -106,7 +100,6 @@ class authlib_testcase extends advanced_testcase {
         set_user_preference('login_lockout', time()-60*30-10, $user);
         $this->assertFalse(login_is_lockedout($user));
 
-
         // Test lockout ignored pref works.
 
         set_user_preference('login_lockout_ignored', 1, $user);
@@ -166,8 +159,8 @@ class authlib_testcase extends advanced_testcase {
         $this->assertFalse($result);
         $this->assertEquals(AUTH_LOGIN_NOUSER, $reason);
 
-
         set_config('lockoutthreshold', 3);
+
         $reason = null;
         $result = authenticate_user_login('username1', 'nopass', false, $reason);
         $this->assertFalse($result);