chore(cli): fixed the failing tests

packages/cli/templates/default-plugin/src/components/ExampleComponent/ExampleComponent.test.tsx.hbs

@@ -1,18 +1,17 @@
 import React from 'react';
 import { render } from '@testing-library/react';
-import mockFetch from 'jest-fetch-mock';
 import ExampleComponent from './ExampleComponent';
 import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 
 describe('ExampleComponent', () => {
   it('should render', () => {
-    mockFetch.mockResponse(() => new Promise(() => {}));
     const rendered = render(
       <ThemeProvider theme={lightTheme}>
-        <ExampleComponent />
+      <ExampleComponent />
       </ThemeProvider>,
-    );
-    expect(rendered.getByText('Welcome to {{ id }}!')).toBeInTheDocument();
+      );
+      expect(rendered.getByText('Welcome to {{ id }}!')).toBeInTheDocument();
   });
 });
+  

packages/cli/templates/default-plugin/src/components/ExampleFetchComponent/ExampleFetchComponent.test.tsx.hbs

@@ -1,11 +1,9 @@
 import React from 'react';
 import { render } from '@testing-library/react';
-import mockFetch from 'jest-fetch-mock';
 import ExampleFetchComponent from './ExampleFetchComponent';
 
 describe('ExampleFetchComponent', () => {
   it('should render', async () => {
-    mockFetch.mockResponse(() => new Promise(() => {}));
     const rendered = render(<ExampleFetchComponent />);
     expect(await rendered.findByTestId('progress')).toBeInTheDocument();
   });

packages/cli/templates/default-plugin/src/setupTests.ts

@@ -1,3 +1 @@
 import '@testing-library/jest-dom';
-
-require('jest-fetch-mock').enableMocks();