code: function(relativePath, fileContent) {
      const file = setupHelper.setupFolderAbsolutePath() + '/' + relativePath;
      fileContent = fileContent || '';
      return setupHelper.handleShellResponse(shell.exec('echo "' + fileContent + '" > ' + file));
    }
docs: Create file inside openST setup environment
  
  @param {string} relativePath - relative file path
  @param {string} fileContent - optional file content