code: function (appRoot) {
    var filePath = path.join(appRoot,
      'platforms/android/src/io/jxcore/node/JXcoreExtension.java');
    var content = fs.readFileSync(filePath, 'utf-8');
  
    content = content.replace('lifeCycleMonitor.start();',
      'lifeCycleMonitor.start();\n\t\tRegisterExecuteUT.Register();');
    content = content.replace('package io.jxcore.node;',
      'package io.jxcore.node;\nimport com.test.thalitest.RegisterExecuteUT;');
    fs.writeFileSync(filePath, content, 'utf-8');
  }
docs: Updates JXcoreExtension with a method which is used to register the native UT
  executor. We are doing it because we don't want to mess our production code
  with our test code so we create a function that dynamically adds method
  executing tests only when we are actually testing.
  @param {Object} appRoot