[335] Broken unit tests and links in Step 4 tutorial

[near-dx]

Title:
Broken unit tests and links in Step 4 tutorial
Description:
I get this link from https://learnnear.club/lessons/step-4-testing-web3-near-certified-developer/

Unit tests are not working and links are not working too 🙃
Summary:
Investigate and fix broken unit tests and links on the Step 4 tutorial page.

Info

Type: 🚨 BUG

🌍 Open ticket in Gleap

Metadata

browserName: Chrome(136.0.0.0)
userAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
browser: Chrome
systemName: MacOS
sessionDuration: 152
devicePixelRatio: 2
screenWidth: 1728
screenHeight: 1117
innerWidth: 1728
innerHeight: 958
currentUrl: https://docs.near.org/develop/testing/unit-test
language: en-US
sdkVersion: 13.7.3
sdkType: javascript
environment: prod