fix: mock creation

Author: goosewobbler

packages/electron-service/src/mock.ts

@@ -38,9 +38,7 @@ async function restoreElectronFunctionality(apiName: string, funcName: string, b
 export async function createMock(apiName: string, funcName: string, browserContext?: WebdriverIO.Browser) {
   log.debug(`[${apiName}.${funcName}] createMock called - starting mock creation`);
   // biome-ignore lint/complexity/useArrowFunction: Vitest v4 requires vi.fn() to use function declarations, not arrow functions
-  const outerMock = vitestFn(function () {
-    // Default empty implementation
-  });
+  const outerMock = vitestFn();
   const outerMockImplementation = outerMock.mockImplementation;
   const outerMockImplementationOnce = outerMock.mockImplementationOnce;
   const outerMockClear = outerMock.mockClear;
@@ -102,15 +100,7 @@ export async function createMock(apiName: string, funcName: string, browserConte
     async (electron, apiName, funcName) => {
       const electronApi = electron[apiName as keyof typeof electron];
       const spy = await import('@vitest/spy');
-      // Store original function before mocking
-      const originalFn = electronApi[funcName as keyof typeof electronApi] as unknown as Function;
-      const mockFn = spy.fn(function (this: unknown, ...args: unknown[]) {
-        // Default implementation calls the original function
-        if (typeof originalFn === 'function') {
-          return originalFn.apply(this, args);
-        }
-        return undefined;
-      });
+      const mockFn = spy.fn();
 
       // replace target API with mock
       electronApi[funcName as keyof typeof electronApi] = mockFn as ElectronApiFn;