Update single.xml

Changes to single test

Author: srivishnu-ayyagari-zz

single.xml

@@ -3,9 +3,7 @@
 <suite thread-count="1" parallel="tests" name="Suite">
  <test thread-count="1" parallel="classes" name="Test">
  <classes>
- <class name="com.lambdatest.TestNGTodo1"/>
  <class name="com.lambdatest.TestNGTodo2"/>
- <class name="com.lambdatest.TestNGTodo3"/>
  </classes>
  </test> <!-- Test -->
-</suite> <!-- Suite -->
+</suite> <!-- Suite -->