angular-cn/aio/content/examples/practical-observable-usage/example-config.json

{
  "tests": [
    {
      "cmd": "yarn",
      "args": ["tsc", "--project", "tsconfig.spec.json", "--module", "commonjs"]
    },
    {
      "cmd": "yarn",
      "args": ["jasmine", "out-tsc/**/*.spec.js"]
    }
  ]
}