testng.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Regression in QA environment">
    <listeners>
        <listener class-name="io.github.automationreddy.testng.TestNGSlackReporter"/>
    </listeners>
    <test verbose="2" preserve-order="true" name="Chrome Tests">
        <classes>
            <class name="org.example.LoginPageTests"/>
        </classes>
    </test>
    <test verbose="2" preserve-order="true" name="Firefox Tests">
        <classes>
            <class name="org.example.LoginPageTests"/>
            <class name="org.example.HomePageTests"/>
        </classes>
    </test>
    <test verbose="2" preserve-order="true" name="Edge Tests">
        <classes>
            <class name="org.example.LoginPageTests"/>
        </classes>
    </test>
    <test verbose="2" preserve-order="true" name="Safari Tests">
        <classes>
            <class name="org.example.LoginPageTests"/>
            <class name="org.example.HomePageTests"/>
        </classes>
    </test>
</suite>