message: adding to presets array in babel.config.js for testing tsx files
diff: module.exports = {
  - presets: ['@babel/preset-env', '@babel/preset-react'],
  + presets: [
  + '@babel/preset-env',
  + '@babel/preset-react',
  + '@babel/preset-typescript',
  + ],
  plugins: ['@babel/plugin-proposal-class-properties'],
  };
  