Hello @vijayanand
At the moment Test generation is only for Gradle and Junit but you can easily transform build.gradle to pom.xml using the maven plugin for gradle
https://docs.gradle.org/current/userguide/maven_plugin.html#sec:maven_pom_generation
Also for Junit the change to TestNG is simple ,just add the TestNG dependency in your pom.xml
<!-- https://mvnrepository.com/artifact/org.testng/testng -->
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>7.4.0</version>
<scope>test</scope>
</dependency>
And change the annotations from JUnit to TestNG, most of the annotations between them are the same except @BeforeAll and @AfterAll which becomes @BeforeClass and @AfterClass