diff --git a/test/test_board.cpp b/test/test_board.cpp
index b7aef800..54541dac 100644
--- a/test/test_board.cpp
+++ b/test/test_board.cpp
@@ -79,6 +79,8 @@ uint16_t testBoard::sensors_init_message_count() {return 0;}
 uint16_t testBoard::sensors_init_message(char * message, uint16_t size, uint16_t i) {return 0;}
 bool testBoard::sensors_init_message_good(uint16_t i) {return false;}
 
+bool testBoard::imu_present() {return false;}
+
 bool testBoard::imu_has_new_data()
 {
   if (new_imu_) {
diff --git a/test/test_board.h b/test/test_board.h
index 6bdd2795..b26d8110 100644
--- a/test/test_board.h
+++ b/test/test_board.h
@@ -74,6 +74,7 @@ class testBoard : public Board
   uint16_t sensors_init_message(char * message, uint16_t size, uint16_t i) override;
   bool sensors_init_message_good(uint16_t i) override;
 
+  bool imu_present() override;
   bool imu_has_new_data() override;
   bool imu_read(float accel[3], float * temperature, float gyro[3], uint64_t * time) override;
   void imu_not_responding_error() override;