legacy detec fix

phpunit.xml

@@ -20,7 +20,7 @@
         <env name="ROS_HOST" value="127.0.0.1"/>
         <env name="ROS_USER" value="admin"/>
         <env name="ROS_PASS" value="admin"/>
-        <env name="ROS_PORT_MODERN" value="18728"/>
-        <env name="ROS_PORT_LEGACY" value="28728"/>
+        <env name="ROS_PORT_MODERN" value="8728"/>
+        <env name="ROS_PORT_LEGACY" value="18728"/>
     </php>
 </phpunit>

tests/ClientTest.php

@@ -101,7 +101,7 @@ class ClientTest extends TestCase
                 'user'   => $this->router['user'],
                 'pass'   => $this->router['pass'],
                 'host'   => $this->router['host'],
-                'port'   => $this->port_modern,
+                'port'   => $this->port_legacy,
                 'legacy' => true
             ]);
             $this->assertIsObject($obj);