fix(credential-provider-cognito-identity): tests to bump jest to v27

Author: trivikr

packages/credential-provider-cognito-identity/src/localStorage-inmemoryStorage.spec.ts

@@ -2,17 +2,23 @@ import { InMemoryStorage } from "./InMemoryStorage";
 import { localStorage as storage } from "./localStorage";
 
 describe("localStorage", () => {
+  let self: any = {}; // eslint-disable-line prefer-const
+  let window: any = {}; // eslint-disable-line prefer-const
+
   // set store and restore indexedDB and localStorage before and after the test
   let indexDB: any = undefined;
   let localStorage: any = undefined;
+
   beforeEach(() => {
     if (typeof self === "object") indexDB = self.indexedDB;
     if (typeof window === "object") localStorage = window.localStorage;
   });
+
   afterEach(() => {
     if (typeof self === "object") defineProperty(self, "indexedDB", indexDB);
     if (typeof window === "object") defineProperty(window, "localStorage", localStorage);
   });
+
   it("should return an in-memory storage implementation when indexDB or localStorage is not available", () => {
     defineProperty(self, "indexedDB", null);
     defineProperty(window, "localStorage", null);

packages/credential-provider-cognito-identity/src/localStorage.spec.ts

@@ -1,3 +1,6 @@
+/**
+ * @jest-environment jsdom
+ */
 import { IndexedDbStorage } from "./IndexedDbStorage";
 import { localStorage } from "./localStorage";