feat(admin,admin-ui,medusa): Add Medusa Admin plugin (#3334)

packages/medusa-react/jest.setup.js

@@ -1,5 +1,7 @@
 const { server } = require("./mocks/server")
 
+const originalError = console.error
+
 beforeAll(() => {
   server.listen({
     onUnhandledRequest: (req) => {
@@ -7,6 +9,25 @@ beforeAll(() => {
       console.log(req)
     },
   })
+
+  /**
+   * We are currently using a deprecated library for testing - `@testing-library/react-hooks`.
+   * This library uses `ReactDOM.render` which is deprecated in React 18. This is a temporary
+   * fix to silence the warning.
+   *
+   * TODO: Replace the usage of `@testing-library/react-hooks` with
+   * the latest `@testing-library/react` and remove this fix.
+   */
+  console.error = (...args) => {
+    if (
+      /Warning: ReactDOM.render is no longer supported in React 18./.test(
+        args[0]
+      )
+    ) {
+      return
+    }
+    originalError.call(console, ...args)
+  }
 })
 
 beforeEach(() => {
@@ -18,4 +39,7 @@ afterEach(() => {
   window.localStorage.clear()
 })
 
-afterAll(() => server.close())
+afterAll(() => {
+  server.close()
+  console.error = originalError
+})