testng_withParam.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >

<suite name="Regression">
    <test name="login_tests">
        <parameter name="userName" value="xt1@xt.com"/>
        <parameter name="password" value="xtxtxt" />

        <classes>
            <class name="login.LoginTestWithParam"/>
        </classes>

    </test>
</suite>