testng1.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "https://testng.org/testng-1.0.dtd">
<suite name="Parallel Test Suite" parallel="tests" thread-count="5">
 
    <test name="Chrome Test">
        <parameter name="browser" value="chrome" />
        <parameter name="version" value="79.0" />
        <parameter name="platform" value="WIN10" />
        <classes>
            <class name="testng.ParallelTest" />
        </classes>
    </test>
 
    <test name="Firefox Test">
        <parameter name="browser" value="firefox" />
        <parameter name="version" value="62.0" />
        <parameter name="platform" value="WIN8" />
        <classes>
            <class name="testng.ParallelTest" />
        </classes>
    </test>
 
    <test name="Safari Test">
        <parameter name="browser" value="safari" />
        <parameter name="version" value="11.0" />
        <parameter name="platform" value="macos 10.13" />
        <classes>
            <class name="testng.ParallelTest" />
        </classes>
    </test>
   
        <test name="IE Test">
        <parameter name="browser" value="ie" />
        <parameter name="version" value="11.0" />
        <parameter name="platform" value="WIN10" />
        <classes>
            <class name="testng.ParallelTest" />
        </classes>
    </test>
   
            <test name="Opera Test">
        <parameter name="browser" value="opera" />
        <parameter name="version" value="73.0" />
        <parameter name="platform" value="WIN10" />
        <classes>
            <class name="testng.ParallelTest" />
        </classes>
    </test>
   
 
    <!-- Test -->
</suite> <!-- Suite -->