Fix GH-16799 test: update expected output for static callables and handle TypeError in stack trace

Author: macoaure

Zend/tests/gh16799.phpt

@@ -15,7 +15,12 @@ Test::test();
 --EXPECTF--
 Fatal error: Uncaught Exception: Use of "static" in callables is deprecated in %s:%d
 Stack trace:
-#0 %s(%d): {closure:%s:%d}(8192, 'Use of "static"...', %s, %d)
+#0 %s(%d): {closure:%s}(8192, 'Use of "static"%s', '%s', %d)
 #1 %s(%d): Test::test()
 #2 {main}
+
+Next TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, (null) in %s:%d
+Stack trace:
+#0 %s(%d): Test::test()
+#1 {main}
   thrown in %s on line %d