platform/packages/platform-rig/profiles/default/config/jest.config.json

{
  "extends": "@rushstack/heft-jest-plugin/includes/jest-shared.config.json",
  "testEnvironment": "node",
  "roots": [
      "<rootDir>/src"
  ],
  "testMatch": ["**/?(*.)+(spec|test).[jt]s?(x)"],
  "collectCoverage": true,
  "coverageDirectory": "coverage",
  "coverageReporters": ["text", ["lcov", { "projectRoot": "../../" }]]        
}