chore(ui): Change testEnvironment from node to jsdom (argoproj#16287)

Signed-off-by: Rafal Pelczar <rafal@akuity.io>

ui/jest.config.js

@@ -1,12 +1,11 @@
 module.exports = {
   preset: 'ts-jest',
-  testEnvironment: 'node',
+  testEnvironment: 'jsdom',
   reporters: ['default', 'jest-junit'],
   collectCoverage: true,
   transformIgnorePatterns: ['node_modules/(?!(argo-ui)/)'],
   globals: {
     'self': {},
-    'window': {localStorage: { getItem: () => '{}', setItem: () => null }},
     'ts-jest': {
       isolatedModules: true,
     },
@@ -17,20 +16,3 @@ module.exports = {
     '.+\\.(css|styl|less|sass|scss)$': 'jest-transform-css',
   },
 };
-
-const localStorageMock = (() => {
-  let store = {};
-  return {
-    getItem: (key) => store[key],
-    setItem: (key, value) => {
-      store[key] = value.toString();
-    },
-    clear: () => {
-      store = {};
-    },
-    removeItem: (key) => {
-      delete store[key];
-    }
-  };
-})();
-global.localStorage = localStorageMock;