Add a new test that causes the condition in the do/while loop to be false

Author: rodrigoprimo

WordPress/Tests/Security/EscapeOutputUnitTest.22.inc

@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Intentional parse error (nothing after T_ATTRIBUTE_END).
+ * Intentional parse error (only whitespaces after T_ATTRIBUTE_END).
  * This should be the only test in this file.
  */
 

WordPress/Tests/Security/EscapeOutputUnitTest.23.inc

@@ -0,0 +1,9 @@
+<?php
+
+/*
+ * Intentional parse error (nothing after T_ATTRIBUTE_END).
+ * There should be no whitespaces at the end of this file.
+ * This should be the only test in this file.
+ */
+
+throw new #[MyAttribute]