diff --git a/tests/modules/si-audio-softdsp-endpoint.c b/tests/modules/si-audio-softdsp-endpoint.c
index a986ed74b30ea00c05d4bc260f14f63394e236a5..50f1d33215d989a1000509f04f2e428072f15e49 100644
--- a/tests/modules/si-audio-softdsp-endpoint.c
+++ b/tests/modules/si-audio-softdsp-endpoint.c
@@ -185,19 +185,15 @@ test_si_audio_softdsp_endpoint_export (TestFixture * f, gconstpointer user_data)
   /* find self_client, to be used for verifying endpoint.client.id */
 
   clients_om = wp_object_manager_new ();
-  wp_object_manager_add_interest (clients_om, WP_TYPE_CLIENT, NULL,
-      WP_PROXY_FEATURE_BOUND);
+  wp_object_manager_add_interest_1 (clients_om, WP_TYPE_CLIENT, NULL);
+  wp_object_manager_request_proxy_features (clients_om,
+      WP_TYPE_CLIENT, WP_PROXY_FEATURE_BOUND);
   g_signal_connect_swapped (clients_om, "objects-changed",
       G_CALLBACK (g_main_loop_quit), f->base.loop);
   wp_core_install_object_manager (f->base.core, clients_om);
   g_main_loop_run (f->base.loop);
-
-  {
-    g_autoptr (WpIterator) it = wp_object_manager_iterate (clients_om);
-    g_auto (GValue) val = G_VALUE_INIT;
-    g_assert_true (wp_iterator_next (it, &val));
-    g_assert_nonnull (self_client = g_value_dup_object (&val));
-  }
+  g_assert_nonnull (self_client =
+      wp_object_manager_lookup (clients_om, WP_TYPE_CLIENT, NULL));
 
   /* create item */
 
diff --git a/tests/modules/si-simple-node-endpoint.c b/tests/modules/si-simple-node-endpoint.c
index 25afa9405cc1d02b82640558f433cfd9494ffc77..29bfb2c1362be6c04d5af180cac987764ebd64ce 100644
--- a/tests/modules/si-simple-node-endpoint.c
+++ b/tests/modules/si-simple-node-endpoint.c
@@ -235,19 +235,15 @@ test_si_simple_node_endpoint_export (TestFixture * f, gconstpointer user_data)
   /* find self_client, to be used for verifying endpoint.client.id */
 
   clients_om = wp_object_manager_new ();
-  wp_object_manager_add_interest (clients_om, WP_TYPE_CLIENT, NULL,
-      WP_PROXY_FEATURE_BOUND);
+  wp_object_manager_add_interest_1 (clients_om, WP_TYPE_CLIENT, NULL);
+  wp_object_manager_request_proxy_features (clients_om,
+      WP_TYPE_CLIENT, WP_PROXY_FEATURE_BOUND);
   g_signal_connect_swapped (clients_om, "objects-changed",
       G_CALLBACK (g_main_loop_quit), f->base.loop);
   wp_core_install_object_manager (f->base.core, clients_om);
   g_main_loop_run (f->base.loop);
-
-  {
-    g_autoptr (WpIterator) it = wp_object_manager_iterate (clients_om);
-    g_auto (GValue) val = G_VALUE_INIT;
-    g_assert_true (wp_iterator_next (it, &val));
-    g_assert_nonnull (self_client = g_value_dup_object (&val));
-  }
+  g_assert_nonnull (self_client = wp_object_manager_lookup (clients_om,
+          WP_TYPE_CLIENT, NULL));
 
   /* create item */