eldbus test - del not unref obj as it has a parent ...

if you ONLy unref it wont force an unparent if you never del'd.

@fix

src/tests/eldbus/eldbus_test_fake_server_eldbus_model_proxy.c

@@ -42,7 +42,7 @@ _setup(void)
 static void
 _teardown(void)
 {
-   efl_unref(fake_server_object);
+   efl_del(fake_server_object);
 
    fake_server_stop(fake_server);