code: function removeUselessStackLines(stack) {
    let pretty = stack.split('\n');
    pretty = pretty.filter((line) => {
      return !line.includes('node_modules') && !line.includes('Error');
    });  
    pretty = pretty.join('\n');
    return pretty;
  }
docs: Remove lines from error stack that belong to test runner. Nobody cares
  @param {*String} stack