launch.json

{
   "version": "0.2.0",
  "configurations": [

    {
      "name": "Tests",
      "type": "node",
      "request": "launch",
      "program": "${workspaceRoot}/node_modules/jest/bin/jest.js",
      "stopOnEntry": false,
      "args": [
        "--runInBand",
        "--config",
        "./jest-config.json"
      ],
      "cwd": "${workspaceRoot}",
      "preLaunchTask": null,
      "runtimeExecutable": null,
      "runtimeArgs": [
          "--nolazy"
      ],
      "env": {
          "NODE_ENV": "development"
      },
      "console": false,
      "sourceMaps": false,
  ]
}