How to write selenium's testng.xml

<?xml version="1.0" encoding="UTF-8"?>
<suite name=" Mall test suite ">
    <test name=" Log in to the case ">
        <classes>
            <class name="com.jiyun.TestDome3">
                <methods>
                    <include name="openFirefox"/>
                    <include name="openFirefop"/>
                    <include name="chrome"/>
                </methods>
            </class>
        </classes>
    </test>
    <listeners>
    <listener class-name="com.ceres.apiTest.ExtentTestNGIReporterListener" />
</listeners>

</suite>

selenium and httpclient Of testng.xml It's a little different