[
  {
    "uid": "server1",
    "append": true,
    "script": "server.js",
    "sourceDir": "./test/fixtures"
  },
  {
    "uid": "server2",
    "append": true,
    "script": "server.js",
    "sourceDir": "./test/fixtures",
    "args": ["-p", 8081]
  }
]