ble_mesh: test: Fix node test function not update role flag

components/bt/esp_ble_mesh/mesh_core/test.c

@@ -42,6 +42,8 @@ int bt_mesh_device_auto_enter_network(struct bt_mesh_device_network_info *info)
         return -EINVAL;
     }
 
+    bt_mesh_atomic_set_bit(bt_mesh.flags, BLE_MESH_NODE);
+
     /* The device becomes a node and enters the network */
     err = bt_mesh_provision(info->net_key, info->net_idx, info->flags, info->iv_index,
                             info->unicast_addr, info->dev_key);