testng.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "https://testng.org/testng-1.0.dtd">
<suite name="Suite">

<listeners>
 <listener class-name="Resources.Listeners"/> 
</listeners>

  <test thread-count="5" name="Test Activities_List_GET_Request">
   <classes>
      <class name="Activities.Activities_List_GET_Request"/>
   </classes>
  </test> 

  <test thread-count="5" name="Test Activities_POST_Request">
   <classes>
      <class name="Activities.Activities_POST_Request"/>
   </classes>
  </test>
  
  
    <test thread-count="5" name="Test BookID_GET_Request">
   <classes>
      <class name="Activities.Activities_GET_Request"/>
   </classes>
  </test>
     
   <test name ="Test Activities_PUT_Request">
      <classes>
         <class name="Activities.Activities_PUT_Request"/>
      </classes>
   </test>

   <test name ="Test Activities_DELETE_Request">
      <classes>
         <class name="Activities.Activities_DELETE_Request"/>
      </classes>
   </test>
     
  <!-- Test -->
</suite> <!-- Suite -->