fix tests

ext/mbstring/tests/bug72994.phpt

@@ -13,5 +13,7 @@ var_dump($var1);
 ===DONE===
 --EXPECTF--
 Notice: Undefined variable: var in %s on line %d
-string(0) ""
+
+Warning: mbereg_replace(): mbregex compile err: invalid code point value in %sbug72994.php on line %d
+bool(false)
 ===DONE===

ext/mbstring/tests/mb_ereg_replace_variation1.phpt

@@ -109,13 +109,17 @@ string(10) "string_val"
 string(10) "string_val"
 
 -- Iteration 4 --
-string(10) "string_val"
+
+Warning: mb_ereg_replace(): mbregex compile err: invalid code point value in %smb_ereg_replace_variation1.php on line %d
+bool(false)
 
 -- Iteration 5 --
 string(10) "string_val"
 
 -- Iteration 6 --
-string(10) "string_val"
+
+Warning: mb_ereg_replace(): mbregex compile err: invalid code point value in %smb_ereg_replace_variation1.php on line %d
+bool(false)
 
 -- Iteration 7 --
 string(10) "string_val"

ext/mbstring/tests/mb_ereg_variation3.phpt

@@ -123,10 +123,10 @@ array(1) {
 }
 
 -- Iteration 8 --
-int(10)
+int(9)
 array(1) {
   [0]=>
-  string(16) "5pel5pys6KqeCQ=="
+  string(12) "5pel5pys6Kqe"
 }
 
 -- Iteration 9 --