diff --git a/camera/metadata/include/camera_device_ability_items.h b/camera/metadata/include/camera_device_ability_items.h
index dda13add3918421c8ee7714785565ae3eda603c7..bf667bf28657ac33e6ae61a7ba5a0515815b9b54 100644
--- a/camera/metadata/include/camera_device_ability_items.h
+++ b/camera/metadata/include/camera_device_ability_items.h
@@ -11,6 +11,7 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ * test
  */
 
 #ifndef CAMERA_DEVICE_ABILITY_ITEMS_H
diff --git a/camera/metadata/include/camera_metadata_item_info.h b/camera/metadata/include/camera_metadata_item_info.h
index fe1751f7261d2dbeff121f1ef393f46fb81f7240..bb68756987ab0b3b63d8c9457ff8e6a193899161 100644
--- a/camera/metadata/include/camera_metadata_item_info.h
+++ b/camera/metadata/include/camera_metadata_item_info.h
@@ -11,6 +11,7 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ * test
  */
 
 #ifndef CAMERA_METADATA_ITEM_INFO_H
diff --git a/camera/metadata/src/camera_metadata_info.cpp b/camera/metadata/src/camera_metadata_info.cpp
index fc302d20cd147f1e3d99f223237330f4843a023f..f5840b59fed8f7daded241cc5c9700bdb4466250 100644
--- a/camera/metadata/src/camera_metadata_info.cpp
+++ b/camera/metadata/src/camera_metadata_info.cpp
@@ -11,6 +11,7 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ * test
  */
 
 #include "camera_metadata_info.h"