diff --git a/src/shared/config/mocks/jest-setup.ts b/src/shared/config/mocks/jest-setup.ts
index 1d3ff30..e09f438 100644
--- a/src/shared/config/mocks/jest-setup.ts
+++ b/src/shared/config/mocks/jest-setup.ts
@@ -1 +1,7 @@
 import '@testing-library/react-native/extend-expect';
+
+global.fetch = jest.fn(() =>
+  Promise.resolve({
+    json: () => Promise.resolve({}),
+  } as unknown as Response),
+);
diff --git a/src/shared/lib/__tests__/update.test.ts b/src/shared/lib/__tests__/update.test.ts
index 7a3226d..463b85a 100644
--- a/src/shared/lib/__tests__/update.test.ts
+++ b/src/shared/lib/__tests__/update.test.ts
@@ -2,42 +2,32 @@ import packageJSON from '../../../../package.json';
 import {getRemoteAppVersion} from '../update';
 
 describe('getRemoteAppVersion', () => {
-  let fetchSpy = jest.spyOn(global, 'fetch');
-
-  beforeEach(() => {
-    fetchSpy = jest.spyOn(global, 'fetch');
-  });
-
-  afterAll(() => {
-    fetchSpy.mockRestore();
-  });
-
   it('should return the version from the remote package.json', async () => {
     const mockVersion = '1.0.0';
     const mockResponse = {
       version: mockVersion,
     };
 
-    fetchSpy.mockResolvedValueOnce({
+    (fetch as jest.Mock).mockResolvedValueOnce({
       json: jest.fn().mockResolvedValueOnce(mockResponse),
     } as unknown as Response);
 
     const version = await getRemoteAppVersion();
 
-    expect(fetchSpy).toHaveBeenCalledWith(
+    expect(global.fetch).toHaveBeenCalledWith(
       `https://raw.githubusercontent.com/${packageJSON.repository}/main/package.json`,
     );
     expect(version).toBe(mockVersion);
   });
 
   it('should throw an error if the fetch fails', async () => {
-    fetchSpy.mockRejectedValueOnce(new Error('Network error'));
+    (fetch as jest.Mock).mockRejectedValueOnce(new Error('Network error'));
 
     await expect(getRemoteAppVersion()).rejects.toThrow('Network error');
   });
 
   it('should throw an error if the response is not valid JSON', async () => {
-    fetchSpy.mockResolvedValueOnce({
+    (fetch as jest.Mock).mockResolvedValueOnce({
       json: jest.fn().mockRejectedValueOnce(new Error('Invalid JSON')),
     } as unknown as Response);
 
diff --git a/src/shared/ui/__tests__/ControlledPicker.test.tsx b/src/shared/ui/__tests__/ControlledPicker.test.tsx
index 3f06849..031d081 100644
--- a/src/shared/ui/__tests__/ControlledPicker.test.tsx
+++ b/src/shared/ui/__tests__/ControlledPicker.test.tsx
@@ -30,7 +30,7 @@ describe('ControlledPicker', () => {
     expect(input).toBeOnTheScreen();
   });
 
-  it.skip('displays selected item label', async () => {
+  it('displays selected item label', async () => {
     render(
       <MockWrapperProvider>
         <MockFormProvider>
diff --git a/src/shared/ui/__tests__/ControlledSegmentedButtons.test.tsx b/src/shared/ui/__tests__/ControlledSegmentedButtons.test.tsx
index 1cf761f..81fe5d5 100644
--- a/src/shared/ui/__tests__/ControlledSegmentedButtons.test.tsx
+++ b/src/shared/ui/__tests__/ControlledSegmentedButtons.test.tsx
@@ -39,7 +39,7 @@ describe('ControlledSegmentedButtons', () => {
     });
   });
 
-  it.skip('selects an option when clicked', async () => {
+  it('selects an option when clicked', async () => {
     render(
       <MockWrapperProvider>
         <MockFormProvider>