fix: mocking file

Author: AyaMahmoud148

test/mocks/mockInstabug.ts

@@ -77,6 +77,8 @@ const mockInstabug: InstabugNativeModule = {
   setOnFeaturesUpdatedListener: jest.fn(),
   enableAutoMasking: jest.fn(),
   getNetworkBodyMaxSize: jest.fn().mockResolvedValue(10240), // 10 KB
+  setTheme: jest.fn(),
+  setFullscreen: jest.fn(),
 };
 
 export default mockInstabug;