Fix description

Author: sebastianbergmann

tests/end-to-end/event/mock-object-without-expectation.phpt

@@ -1,5 +1,5 @@
 --TEST--
-The right events are emitted in the right order for a test that uses a mock object
+The right events are emitted in the right order for a test that uses a mock object without configured expectations
 --FILE--
 <?php declare(strict_types=1);
 $_SERVER['argv'][] = '--do-not-cache-result';