diff --git a/tests/tool_deletemessage.php b/tests/tool_deletemessage.php
index 04b2300..94a1499 100644
--- a/tests/tool_deletemessage.php
+++ b/tests/tool_deletemessage.php
@@ -1,38 +1,59 @@
 <?php
+/**
+ * Delete Task.
+ *
+ * @package   tool_deletemessage
+ * @author    Esdras Caleb
+ * @copyright  2023 Esdras Caleb
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
 
 namespace tool_deletemessage;
 
 
-
-class auth_ldap_test extends \advanced_testcase {
+/**
+ * Class test if this plugin is deleting things it should not delete
+ * @author    Esdras Caleb
+ * @copyright  2023 Esdras Caleb
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_deletemessage_test extends \advanced_testcase {
+    /**
+     * Test if the hard delection function works
+     * @return void
+     */
     public function test_deleting() {
-        global $CFG,$DB;
+        global $CFG, $DB;
         require_once($CFG->dirroot.'/admin/tool/deletemessage/locallib.php');
-        $user_from = $this->getDataGenerator()->create_user();
-        $user_to = $this->getDataGenerator()->create_user();
+        $userfrom = $this->getDataGenerator()->create_user();
+        $userto = $this->getDataGenerator()->create_user();
         
-        // Message text
-        $message_text = "hello";
+        // Message text.
+        $messagetext = "hello";
 
-        // Create message object
+        // Create message object.
         $message = new \core\message\message();
         $message->component = 'core';
         $message->name = 'instantmessage';
-        $message->userfrom = $user_from;
-        $message->userto = $user_to;
+        $message->userfrom = $userfrom;
+        $message->userto = $userto;
         $message->subject = '';
-        $message->fullmessage = $message_text;
+        $message->fullmessage = $messagetext;
         $message->fullmessageformat = FORMAT_PLAIN;
-        $message->fullmessagehtml = $message_text;
-        $message->smallmessage = $message_text;
+        $message->fullmessagehtml = $messagetext;
+        $message->smallmessage = $messagetext;
 
-        // Send message
+        // Send message.
         $messageid = message_send($message);
-        $this->assertNotEmpty($DB->get_records('message',['id'=>$messageid]));
+        $this->assertNotEmpty($DB->get_records('message', ['id' => $messageid]));
         hard_delete_message($messageid);
-        $this->assertEmpty($DB->get_records('message',['id'=>$messageid]));
+        $this->assertEmpty($DB->get_records('message', ['id' => $messageid]));
     }
 
+    /**
+     * Test taks of delection to not delete all messages
+     * @return void
+     */
     public function test_taks_isnotdeleting() {
         global $CFG,$DB;
         require_once($CFG->dirroot.'/admin/tool/deletemessage/locallib.php');
@@ -56,9 +77,9 @@ public function test_taks_isnotdeleting() {
 
         // Send message
         $messageid = message_send($message);
-        $this->assertNotEmpty($DB->get_records('message',['id'=>$messageid]));
         $cron = new \tool_deletemessage\task\delete();
         $cron->execute();
-        $this->assertNotEmpty($DB->get_records('message',['id'=>$messageid]));
+        $this->assertNotEmpty($DB->get_records('message', ['id' => $messageid]));
+        $this->assertNotEmpty($DB->get_records('message'));
     }
-}
\ No newline at end of file
+}