tests: si-standard-link: test that endpoint-link properties are set

tests/modules/si-standard-link.c

@@ -214,6 +214,16 @@ test_si_standard_link_main (TestFixture * f, gconstpointer user_data)
     g_assert_cmpuint (in_stream, ==, wp_proxy_get_bound_id (WP_PROXY (sink_stream)));
   }
 
+  {
+    g_autoptr (WpProperties) p = wp_proxy_get_properties (WP_PROXY (ep_link));
+
+    g_assert_nonnull (p);
+    g_assert_nonnull (wp_properties_get (p, "endpoint-link.input.endpoint"));
+    g_assert_nonnull (wp_properties_get (p, "endpoint-link.input.stream"));
+    g_assert_nonnull (wp_properties_get (p, "endpoint-link.output.endpoint"));
+    g_assert_nonnull (wp_properties_get (p, "endpoint-link.output.stream"));
+  }
+
   {
     const gchar *error = NULL;
     g_assert_cmpuint (wp_endpoint_link_get_state (ep_link, &error), ==,