test: Fix missing theme provider in test

Signed-off-by: Carlos Esteban Lopez <lcarlosesteb@vmware.com>

plugins/azure-sites/src/components/AzureSitesOverviewTableComponent/AzureSitesOverviewTable.test.tsx

@@ -24,6 +24,7 @@ import {
 } from '@backstage/core-plugin-api';
 import { rest } from 'msw';
 import {
+  renderInTestApp,
   setupRequestMockHandlers,
   TestApiProvider,
 } from '@backstage/test-utils';
@@ -65,7 +66,7 @@ describe('AzureSitesOverviewWidget', () => {
   });
 
   it('should display an overview table with the data from the requests', async () => {
-    const rendered = render(
+    const rendered = await renderInTestApp(
       <TestApiProvider apis={apis}>
         <AzureSitesOverviewTable data={[siteMock]} loading={false} />
       </TestApiProvider>,