Add test for error_reporting in fiber after change

Author: trowski

Zend/tests/fibers/error-reporting.phpt

@@ -0,0 +1,26 @@
+--TEST--
+Error reporting change reflected inside fiber
+--FILE--
+<?php
+
+error_reporting(E_ALL & ~E_USER_NOTICE);
+
+$fiber = new Fiber(function (): void {
+    trigger_error("Notice A", E_USER_NOTICE); // Should be silenced.
+    Fiber::suspend();
+    trigger_error("Warning A", E_USER_WARNING);
+});
+
+$fiber->start();
+
+trigger_error("Notice B", E_USER_NOTICE); // Should be silenced.
+
+$fiber->resume();
+
+trigger_error("Warning B", E_USER_WARNING);
+
+?>
+--EXPECTF--
+Warning: Warning A in %serror-reporting.php on line %d
+
+Warning: Warning B in %serror-reporting.php on line %d