From 8ca4a0087dfee94d01f296b306c09ccfb329209b Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Fri, 30 Sep 2022 16:36:31 +0800
Subject: [PATCH] MDL-75614 dml: Unit tests must test something

---
 lib/dml/tests/dml_test.php | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/dml/tests/dml_test.php b/lib/dml/tests/dml_test.php
index 4f01f49d9f8..b05090d0cef 100644
--- a/lib/dml/tests/dml_test.php
+++ b/lib/dml/tests/dml_test.php
@@ -532,14 +532,15 @@ EOD;
             /**
              * Just a test log function
              */
-            public function log() {
+            public function get_site() {
                 global $DB;
-                $DB->get_records_sql('SELECT firstname FROM {user} WHERE firstname = :firstname', ['firstname' => 'JohnDoe']);
+
+                return $DB->get_record('course', ['category' => 0]);
             }
         };
-        $another->log();
+        $site = $another->get_site();
         $CFG->debugsqltrace = 0;
-        // No assertions just it should not error.
+        $this->assertEquals(get_site(), $site);
     }
 
     public function test_strtok() {