make sure "auto register" is disabled when testing unregistered chargebox

Author: goekay

src/test/java/de/rwth/idsg/steve/OperationalTestSoapOCPP16.java

@@ -83,6 +83,8 @@ public void destroy() throws Exception {
 
     @Test
     public void testUnregisteredCP() {
+        Assert.assertFalse(SteveConfiguration.CONFIG.getOcpp().isAutoRegisterUnknownStations());
+
         CentralSystemService client = getForOcpp16(path);
 
         BootNotificationResponse boot = client.bootNotification(