executionOrder.xml

<!DOCTYPE suite SYSTEM "https://testng.org/testng-1.0.dtd" >
<suite name="TestNG Sample" verbose="1">
    <test name="Sample" preserve-order="true">
        <classes>
            <class name="executionOrder.AnnotationsTest"/>
            <class name="executionOrder.SampleTestOrder"/>
        </classes>
    </test>
</suite>