look into tests

Author: mikkeschiren

src/components/HarborDashboardPage/HarborDashboardPage.test.tsx

@@ -5,6 +5,8 @@ import '@testing-library/jest-dom';
 import { HarborDashboardPage } from './HarborDashboardPage';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
 
+global.TextEncoder = require('util').TextEncoder;
+
 // Explicit mocks clearly set
 jest.mock('../useHarborAppData', () => ({
   useHarborAppData: jest.fn(),

src/components/HarborWidget/HarborWidget.test.tsx

@@ -7,6 +7,7 @@ import { TestApiProvider } from '@backstage/test-utils';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
 import { catalogApiRef } from '@backstage/plugin-catalog-react';
 import { Entity } from '@backstage/catalog-model';
+global.TextEncoder = require('util').TextEncoder;
 
 jest.mock('../useHarborAppData', () => ({
   useHarborAppData: jest.fn(),
@@ -32,6 +33,7 @@ jest.mock('@backstage/plugin-catalog-react', () => ({
 
 import { useHarborAppData } from '../useHarborAppData';
 import { isHarborAvailable } from '../../plugin';
+import React from 'react';
 
 describe('HarborWidget', () => {
   const entityWithAnnotation: Entity = {