chore: coding style changes

tests/PHPUnit/CustomAffixes/@#$%^&()-_=+.php

@@ -1,10 +1,3 @@
 <?php
 
-/*
- * NOTE: To preserve cross-platform testing compatibility we cannot use ! * and
- * other Windows reserved characters in this test's filename.
- *
- * See https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
- */
-
 it(sprintf('runs file names like `%s`', basename(__FILE__)))->assertTrue(true);

tests/PHPUnit/CustomTestCase/ExecutedTest.php

@@ -20,5 +20,3 @@ class ExecutedTest extends TestCase
         assertTrue(true);
     }
 }
-
-// register_shutdown_function(fn () => assertTrue(ExecutedTest::$executed));