g_type_module_use(g_object_new(TEST_TYPE_A_MOD, NULL));
g_type_module_use(g_object_new(TEST_TYPE_B_MOD, NULL));
g_type_module_use(g_object_new(TEST_TYPE_C_MOD, NULL));
g_type_module_use(g_object_new(TEST_TYPE_A_MOD, NULL));
g_type_module_use(g_object_new(TEST_TYPE_B_MOD, NULL));
g_type_module_use(g_object_new(TEST_TYPE_C_MOD, NULL));