have code follow eslint rules

Signed-off-by: Mohamed Mohamed <mohamed.mohamed2@aa.com>

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

@@ -4,6 +4,7 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import { rest } from 'msw';
 import { setupServer } from 'msw/node';
+import { screen } from '@testing-library/react';
 import {
   setupRequestMockHandlers,
   renderInTestApp,
@@ -22,11 +23,11 @@ describe('ExampleComponent', () => {
   });
 
   it('should render', async () => {
-    const rendered = await renderInTestApp(
+    await renderInTestApp(
       <ThemeProvider theme={lightTheme}>
         <ExampleComponent />
       </ThemeProvider>,
     );
-    expect(rendered.getByText('Welcome to {{ id }}!')).toBeInTheDocument();
+    expect(screen.getByText('Welcome to {{ id }}!')).toBeInTheDocument();
   });
 });

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

@@ -1,10 +1,11 @@
 import React from 'react';
-import { render } from '@testing-library/react';
+import { render, screen } from '@testing-library/react';
 import { ExampleFetchComponent } from './ExampleFetchComponent';
 import { rest } from 'msw';
 import { setupServer } from 'msw/node';
 import { setupRequestMockHandlers } from '@backstage/test-utils';
 
+
 describe('ExampleFetchComponent', () => {
   const server = setupServer();
   // Enable sane handlers for network requests
@@ -19,7 +20,7 @@ describe('ExampleFetchComponent', () => {
     );
   });
   it('should render', async () => {
-    const rendered = render(<ExampleFetchComponent />);
-    expect(await rendered.findByTestId('progress')).toBeInTheDocument();
+    await render(<ExampleFetchComponent />);
+    expect(await screen.findByTestId('progress')).toBeInTheDocument();
   });
 });