Restore jest-extended import in test setup file to fix missing reference for test matcher extensions

Author: Brandon Scott

src/setupTests.ts

@@ -1,5 +1,6 @@
 import "@testing-library/jest-dom/extend-expect";
 import { GlobalWithFetchMock } from "jest-fetch-mock";
+import "jest-extended";
 
 // require("tests/factories");