vscode launch.json to run mocha test

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Run mocha",
            "type": "node",
            "request": "launch",
            "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
            "stopOnEntry": false,
            "args": ["--recursive", "test"],
            "cwd": "${workspaceRoot}",
            "runtimeExecutable": null,
            "env": {
                "NODE_ENV": "test"
            }
        }
    ],
}