diff --git a/services/core/java/com/android/server/biometrics/sensors/face/aidl/TestHal.java b/services/core/java/com/android/server/biometrics/sensors/face/aidl/TestHal.java
index 15d6a8978dcbd..4fc2e22cfae38 100644
--- a/services/core/java/com/android/server/biometrics/sensors/face/aidl/TestHal.java
+++ b/services/core/java/com/android/server/biometrics/sensors/face/aidl/TestHal.java
@@ -207,6 +207,11 @@ public class TestHal extends IFace.Stub {
             public ICancellationSignal detectInteractionWithContext(OperationContext context) {
                 return detectInteraction();
             }
+
+            @Override
+            public void onContextChanged(OperationContext context) {
+                Slog.w(TAG, "onContextChanged");
+            }
         };
     }
 }
diff --git a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
index 1eb153cc8b3cf..452c972ca7849 100644
--- a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
+++ b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
@@ -212,6 +212,11 @@ public class TestHal extends IFingerprint.Stub {
             public void onPointerUpWithContext(PointerContext context) {
                 onPointerUp(context.pointerId);
             }
+
+            @Override
+            public void onContextChanged(OperationContext context) {
+                Slog.w(TAG, "onContextChanged");
+            }
         };
     }
 }