diff --git a/test/test_board.cpp b/test/test_board.cpp
index adfbc0e6..0e39cdc2 100644
--- a/test/test_board.cpp
+++ b/test/test_board.cpp
@@ -154,7 +154,9 @@ float testBoard::rc_read(uint8_t channel)
   return static_cast<float>(rc_values[channel] - 1000) / 1000.0;
 }
 void testBoard::pwm_write(uint8_t channel, float value) {}
+void testBoard::pwm_write_multi(float *value, uint32_t channels) {}
 void testBoard::pwm_init(uint32_t refresh_rate, uint16_t idle_pwm) {}
+void testBoard::pwm_init_multi(const float *rate, uint32_t channels) {}
 void testBoard::pwm_disable() {}
 
 // non-volatile memory
diff --git a/test/test_board.h b/test/test_board.h
index e61fa9da..fd1ed0d9 100644
--- a/test/test_board.h
+++ b/test/test_board.h
@@ -109,8 +109,10 @@ class testBoard : public Board
 
   // PWM
   void pwm_init(uint32_t refresh_rate, uint16_t idle_pwm) override;
+  void pwm_init_multi(const float *rate, uint32_t channels) override;
   void pwm_disable() override;
   void pwm_write(uint8_t channel, float value) override;
+  void pwm_write_multi(float *value, uint32_t channels) override;
 
   // non-volatile memory
   void memory_init() override;