How to debug Unit test cases in Node
1. Add below in package.json file
"test-debug": "node --inspect-brk ./node_modules/jest/bin/jest.js --runInBand"
2. go to visual studio code and press f5 then in the select node.js from dropdown of the Debug and Run Script
3. select the debug terminal from the option
4. type debugger; in your function
5. open chrome new tab and enter chrome://inspect/#devices
6 . then select node dev tool
7 then press f8 to execute the code
