Testng question

Admin, if my testng files are in the default package do i have to mention src package or nothing. which one is correct to execute in testng.xml file

<suite name ="QA suite">

<test name = "test 2">
<classes>
<class name = "Test2">
</class>
</classes>
</test>

<test name = "test 1">
<classes>
<class name = "Test1">
</class>
</classes>
</test>


</suite>

<suite name ="QA suite">

<test name = "test 2">
<classes>
<class name = "src.Test2">
</class>
</classes>
</test>

<test name = "test 1">
<classes>
<class name = "src.Test1">
</class>
</classes>
</test>


</suite>