launch.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "node",
      "request": "launch",
      "name": "Jest All",
      "runtimeExecutable": "${workspaceFolder}/node_modules/.bin/electron",
      "program": "${workspaceFolder}/node_modules/jest/bin/jest",
      "args": [
        "--silent",
        "--config",
        "${workspaceFolder}/app/jest.unit.config.js"
      ],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen",
      "env": {
        "ELECTRON_RUN_AS_NODE": "1"
      },
      "windows": {
        "runtimeExecutable": "${workspaceFolder}/node_modules/.bin/electron.cmd"
      }
    },
    {
      "type": "node",
      "request": "launch",
      "name": "Jest Current",
      "runtimeExecutable": "${workspaceFolder}/node_modules/.bin/electron",
      "program": "${workspaceFolder}/node_modules/jest/bin/jest",
      "args": [
        "--silent",
        "--config",
        "${workspaceFolder}/app/jest.unit.config.js",
        "${relativeFile}"
      ],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen",
      "env": {
        "ELECTRON_RUN_AS_NODE": "1"
      },
      "windows": {
        "runtimeExecutable": "${workspaceFolder}/node_modules/.bin/electron.cmd"
      }
    }
  ]
}