Fixed two errors in LDAP tests

ext/ldap/tests/ldap_delete_basic.phpt

@@ -32,7 +32,7 @@ require "connect.inc";
 
 $link = ldap_connect_and_bind($host, $port, $user, $passwd, $protocol_version);
 
-ldap_delete($link, "$base");
+ldap_delete($link, "dc=my-domain,$base");
 ?>
 --EXPECT--
 bool(true)

ext/ldap/tests/ldap_get_entries_basic.phpt

@@ -57,7 +57,7 @@ array(2) {
     ["count"]=>
     int(2)
     ["dn"]=>
-    string(23) "o=test,dc=mcmic,dc=test"
+    string(%d) "o=test,%s"
   }
 }
 ===DONE===