message: Add rootRouteRef to test app options to fix component tests
diff: @@ -18,6 +18,7 @@ import { TechDocsPageHeader } from './TechDocsPageHeader';
  import { act } from '@testing-library/react';
  import { renderInTestApp } from '@backstage/test-utils';
  import { entityRouteRef } from '@backstage/plugin-catalog-react';
  +import { rootRouteRef } from '../../plugin';
  describe('<TechDocsPageHeader />', () => {
  it('should render a techdocs page header', async () => {
  @@ -54,6 +55,7 @@ describe('<TechDocsPageHeader />', () => {
  {
  mountedRoutes: {
  '/catalog/:namespace/:kind/:name/*': entityRouteRef,
  + '/docs': rootRouteRef,
  },
  },
  );
  @@ -85,6 +87,7 @@ describe('<TechDocsPageHeader />', () => {
  {
  mountedRoutes: {
  '/catalog/:namespace/:kind/:name/*': entityRouteRef,
  + '/docs': rootRouteRef,
  },
  },
  );
  @@ -118,6 +121,7 @@ describe('<TechDocsPageHeader />', () => {
  {
  mountedRoutes: {
  '/catalog/:namespace/:kind/:name/*': entityRouteRef,
  + '/docs': rootRouteRef,
  },
  },
  );
  