diff --git a/frontend/src/__tests__/esp32-dht22-flow.test.ts b/frontend/src/__tests__/esp32-dht22-flow.test.ts
index 8fbc67e7..30d7bfe4 100644
--- a/frontend/src/__tests__/esp32-dht22-flow.test.ts
+++ b/frontend/src/__tests__/esp32-dht22-flow.test.ts
@@ -58,6 +58,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.onPwmChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
     this.updatePwm = vi.fn();
   }),
 }));
diff --git a/frontend/src/__tests__/esp32-integration.test.ts b/frontend/src/__tests__/esp32-integration.test.ts
index 88d79716..2682b2a6 100644
--- a/frontend/src/__tests__/esp32-integration.test.ts
+++ b/frontend/src/__tests__/esp32-integration.test.ts
@@ -46,6 +46,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.updatePort = vi.fn();
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
     this.resetPinStates = vi.fn();
   }),
 }));
diff --git a/frontend/src/__tests__/esp32-servo-pot.test.ts b/frontend/src/__tests__/esp32-servo-pot.test.ts
index 2446b474..63d604d2 100644
--- a/frontend/src/__tests__/esp32-servo-pot.test.ts
+++ b/frontend/src/__tests__/esp32-servo-pot.test.ts
@@ -70,6 +70,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.onPwmChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
     this.updatePwm = vi.fn();
     this.triggerPinChange = vi.fn();
   }),
diff --git a/frontend/src/__tests__/esp32-wifi-bluetooth.test.ts b/frontend/src/__tests__/esp32-wifi-bluetooth.test.ts
index a2c05a15..9edc14c8 100644
--- a/frontend/src/__tests__/esp32-wifi-bluetooth.test.ts
+++ b/frontend/src/__tests__/esp32-wifi-bluetooth.test.ts
@@ -45,6 +45,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.updatePort = vi.fn();
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
   }),
 }));
 
diff --git a/frontend/src/__tests__/esp32-wifi-webserver-integration.test.ts b/frontend/src/__tests__/esp32-wifi-webserver-integration.test.ts
index 6aa0c066..7cac157b 100644
--- a/frontend/src/__tests__/esp32-wifi-webserver-integration.test.ts
+++ b/frontend/src/__tests__/esp32-wifi-webserver-integration.test.ts
@@ -47,6 +47,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.updatePort = vi.fn();
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
   }),
 }));
 
diff --git a/frontend/src/__tests__/esp32c3-wifi-bluetooth.test.ts b/frontend/src/__tests__/esp32c3-wifi-bluetooth.test.ts
index dcbb9e30..0af5fdd6 100644
--- a/frontend/src/__tests__/esp32c3-wifi-bluetooth.test.ts
+++ b/frontend/src/__tests__/esp32c3-wifi-bluetooth.test.ts
@@ -46,6 +46,7 @@ vi.mock('../simulation/PinManager', () => ({
     this.updatePort = vi.fn();
     this.onPinChange = vi.fn().mockReturnValue(() => {});
     this.getListenersCount = vi.fn().mockReturnValue(0);
+    this.hardResetPinStates = vi.fn();
   }),
 }));