tsconfig.json

{
  "compilerOptions": {
      "module": "commonjs",
      "lib": ["es6"],
      "noImplicitAny": true,
      "noImplicitThis": true,
      "strictFunctionTypes": true,
      "strictNullChecks": true,
      "types": [],
      "noEmit": true,
      "forceConsistentCasingInFileNames": true,

      // If the library is an external module (uses `export`), this allows your test file to import "mylib" instead of "./index".
      // If the library is global (cannot be imported via `import` or `require`), leave this out.
      "baseUrl": ".",
      "paths": {
        "parse-server": ["."],
        "@parse/fs-files-adapter": ["./@types/@parse/fs-files-adapter"],
      }
  },
  "include": [
    "tests.ts"
  ]
}