Fix yarn tsc errors

Signed-off-by: hiba-aldalaty <hibaaldalaty@gmail.com>

packages/core-components/src/layout/Sidebar/Bar.test.tsx

@@ -16,7 +16,7 @@
 
 import React from 'react';
 import { renderInTestApp } from '@backstage/test-utils';
-import { createEvent, fireEvent, screen, within } from '@testing-library/react';
+import { screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import BuildRoundedIcon from '@material-ui/icons/BuildRounded';
 import CreateComponentIcon from '@material-ui/icons/AddCircleOutline';
@@ -24,7 +24,6 @@ import { CatalogSidebarLogo } from './icons/CatalogSidebarLogo';
 import { MiscIcon } from './icons/MiscIcon';
 import { Sidebar, SidebarExpandButton } from './Bar';
 import { SidebarItem, SidebarSearchField } from './Items';
-import { hexToRgb } from '@material-ui/core/styles';
 import { SubmenuItem } from './SubmenuItem';
 
 async function renderScalableSidebar() {

plugins/shortcuts/src/ShortcutItem.test.tsx

@@ -37,7 +37,7 @@ describe('ShortcutItem', () => {
 
   it('displays the shortcut', async () => {
     await renderInTestApp(
-      <SidebarContext.Provider value={{ isOpen: true }}>
+      <SidebarContext.Provider value={{ isOpen: true, setIsOpen: () => {} }}>
         <ShortcutItem api={api} shortcut={shortcut} />
       </SidebarContext.Provider>,
     );

plugins/shortcuts/src/Shortcuts.test.tsx

@@ -30,7 +30,7 @@ const apis = ApiRegistry.from([
 describe('Shortcuts', () => {
   it('displays an add button', async () => {
     await renderInTestApp(
-      <SidebarContext.Provider value={{ isOpen: true }}>
+      <SidebarContext.Provider value={{ isOpen: true, setIsOpen: () => {} }}>
         <ApiProvider apis={apis}>
           <Shortcuts />
         </ApiProvider>