old_contents: import browserSync from 'browser-sync';
  
  export const dev = browserSync.create('dev');
  export const test = browserSync.create('test');
  export const prod = browserSync.create('prod');
  
new_contents: import browserSync from 'browser-sync';
  
  export const dev = browserSync.create('dev');
  <% if (!includeReact) { -%>
  export const test = browserSync.create('test');
  <% } -%>
  export const prod = browserSync.create('prod');
  
subject: Add test server only when React is off