AllTests.xml

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="All Tests Suite">
    <test name="P1_Hotels">
        <classes>
            <class name="P1_sanityHotelSearch" />
            <class name="P2_filterDestination" />
            <class name="P3_sortHotels" />

            <!-- Add more class elements for other test classes -->
        </classes>
    </test>

    <test name="P2_ThingsToDo">
        <classes>
            <class name="P1_sanityThingSearch" />
            <class name="P2_topAttraction" />

            <!-- Add more class elements for other test classes -->
        </classes>
    </test>

    <test name="P3_VacationRentals">
        <classes>
            <class name="P1_sanityRentSearch" />

            <!-- Add more class elements for other test classes -->
        </classes>
    </test>

    <test name="P4_Restaurants">
        <classes>
            <class name="P1_sanityRestSearch" />

            <!-- Add more class elements for other test classes -->
        </classes>
    </test>

    <test name="P5_Login">
        <classes>
            <class name="P1_sanitySignInAndOut" />
            <class name="P2_TripAndFavorite" />
            <class name="P3_TripAI" />

            <!-- Add more class elements for other test classes -->
        </classes>
    </test>

</suite>