--- a/dom/gamepad/GamepadServiceTest.cpp
+++ b/dom/gamepad/GamepadServiceTest.cpp
@@ -255,24 +255,26 @@ GamepadServiceTest::NewPoseMove(uint32_t
   if (!aOrient.IsNull()) {
     const Float32Array& value = aOrient.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 4);
     poseState.orientation[0] = value.Data()[0];
     poseState.orientation[1] = value.Data()[1];
     poseState.orientation[2] = value.Data()[2];
     poseState.orientation[3] = value.Data()[3];
+    poseState.isOrientationValid = true;
   }
   if (!aPos.IsNull()) {
     const Float32Array& value = aPos.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 3);
     poseState.position[0] = value.Data()[0];
     poseState.position[1] = value.Data()[1];
     poseState.position[2] = value.Data()[2];
+    poseState.isPositionValid = true;
   }
   if (!aAngVelocity.IsNull()) {
     const Float32Array& value = aAngVelocity.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 3);
     poseState.angularVelocity[0] = value.Data()[0];
     poseState.angularVelocity[1] = value.Data()[1];
     poseState.angularVelocity[2] = value.Data()[2];

--- a/dom/vr/VRServiceTest.cpp
+++ b/dom/vr/VRServiceTest.cpp
@@ -207,24 +207,26 @@ VRMockController::NewPoseMove(const Null
   if (!aOrientation.IsNull()) {
     const Float32Array& value = aOrientation.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 4);
     poseState.orientation[0] = value.Data()[0];
     poseState.orientation[1] = value.Data()[1];
     poseState.orientation[2] = value.Data()[2];
     poseState.orientation[3] = value.Data()[3];
+    poseState.isOrientationValid = true;
   }
   if (!aPosition.IsNull()) {
     const Float32Array& value = aPosition.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 3);
     poseState.position[0] = value.Data()[0];
     poseState.position[1] = value.Data()[1];
     poseState.position[2] = value.Data()[2];
+    poseState.isPositionValid = true;
   }
   if (!aAngularVelocity.IsNull()) {
     const Float32Array& value = aAngularVelocity.Value();
     value.ComputeLengthAndData();
     MOZ_ASSERT(value.Length() == 3);
     poseState.angularVelocity[0] = value.Data()[0];
     poseState.angularVelocity[1] = value.Data()[1];
     poseState.angularVelocity[2] = value.Data()[2];