- Fixed tests

tests/classes/constants_error_004.phpt

@@ -10,4 +10,4 @@ Class constant whose initial value refereces a non-existent class
   $a = new C();
 ?>
 --EXPECTF--
-Fatal error: Class 'D' not found in %s on line %d
+Fatal error: Undefined class constant 'D::hello' in %s on line %d

tests/lang/bug44827.phpt

@@ -9,6 +9,8 @@ Testfest Munich 2009
 define('::', true);
 var_dump(constant('::'));
 ?>
---EXPECTREGEX--
-.*Fatal.*
+--EXPECTF--
+Warning: Class constants cannot be defined or redefined in %s on line %d
 
+Warning: constant(): Couldn't find constant :: in %s on line %d
+NULL