message: Specify TS config for ts-jest
diff: module.exports = {
  preset: "ts-jest",
  testEnvironment: "node",
  - testPathIgnorePatterns: ["/node_modules/", "/integration-tests/", "/out/"]
  + testPathIgnorePatterns: ["/node_modules/", "/integration-tests/", "/out/"],
  + globals: {
  + "ts-jest": {
  + // With TS 3.9+ it is recommended to make TS config explicit
  + // Without it, tests fail for type errors that don't exist at compilation
  + tsConfig: "tsconfig.json"
  + }
  + }
  };
  