message: normalize root to work on windows
diff: */
  import mockFs from 'mock-fs';
  -import { resolve as resolvePath, join as joinPath } from 'path';
  +import { resolve as resolvePath, join as joinPath, normalize } from 'path';
  import { resolvePackagePath, paths, findPackageDirs } from './paths';
  describe('paths', () => {
  - jest.spyOn(paths, 'targetRoot', 'get').mockReturnValue('/root');
  + jest.spyOn(paths, 'targetRoot', 'get').mockReturnValue(normalize('/root'));
  jest.spyOn(paths, 'resolveTargetRoot').mockImplementation((...path) => {
  return resolvePath('/root', ...path);
  });
  