test: support cross-version coverage metadata

tests/autonomy_test.php

@@ -24,10 +24,12 @@
 
 namespace local_webhooks;
 
+#[\PHPUnit\Framework\Attributes\CoversFunction('local_webhooks_get_event_choices')]
 /**
  * Runtime autonomy tests.
+ *
+ * @covers ::local_webhooks_get_event_choices
  */
-#[\PHPUnit\Framework\Attributes\CoversFunction('local_webhooks_get_event_choices')]
 final class autonomy_test extends \advanced_testcase {
     /**
      * Event choices keep their storage format and custom event names are strings.

tests/handler_test.php

@@ -24,10 +24,12 @@
 
 namespace local_webhooks;
 
+#[\PHPUnit\Framework\Attributes\CoversClass(handler::class)]
 /**
  * Event handler tests.
+ *
+ * @covers \local_webhooks\handler
  */
-#[\PHPUnit\Framework\Attributes\CoversClass(handler::class)]
 final class handler_test extends \advanced_testcase {
     /**
      * The legacy observer does not inspect or deliver events.

tests/legacy_ui_test.php

@@ -24,10 +24,12 @@
 
 namespace local_webhooks;
 
+#[\PHPUnit\Framework\Attributes\CoversNothing]
 /**
  * Legacy management surface tests.
+ *
+ * @coversNothing
  */
-#[\PHPUnit\Framework\Attributes\CoversNothing]
 final class legacy_ui_test extends \advanced_testcase {
     /**
      * Legacy management is unavailable without leaving dead links or write helpers.