code: function (appRoot) {
    try {
      var i, testClassName;
      var filesArray = fs.readdirSync(path.join(appRoot,
        'platforms/android/src/io/jxcore/node'));
      var content = 'package com.test.thalitest;\n' +
        'import org.junit.runner.RunWith;\n' +
        'import org.junit.runners.Suite;';
      var filePath = path.join(appRoot,
        'platforms/android/src/com/test/thalitest/ThaliTestSuite.java');
      var runWithAndSuiteClasses =
        '\n\n@RunWith(Suite.class)\n@Suite.SuiteClasses({';
  
      for (i = 0; i < filesArray.length; i++) {
        if (filesArray[i].indexOf('Test.java') > -1) {
          testClassName = filesArray[i].replace('.java', '');
          content += '\nimport io.jxcore.node.' + testClassName + ';';
          runWithAndSuiteClasses += testClassName + '.class,';
        }
      }
  
      runWithAndSuiteClasses = runWithAndSuiteClasses.replace(/,\s*$/, '') + '})';
  
      content = content + runWithAndSuiteClasses +
        '\n\npublic class ThaliTestSuite {\n}';
      fs.writeFileSync(filePath, content, 'utf-8');
    } catch (err) {
      console.log(err);
      console.log('Failed to update the test suite file');
      process.exit(-1);
    }
  }
docs: Updates test suite with test classes found in the
  platforms/android/src/io/jxcore/node, adds required imports.
  @param {Object} appRoot