TestClassContainer.java

package test.listeners.github956;

import org.testng.Assert;
import org.testng.annotations.Listeners;
import org.testng.annotations.Test;

public class TestClassContainer {
    @Listeners (ListenerFor956.class)
    public static class FirstTestClass {
        @Test
        public void testMethod() {
            Assert.assertEquals(true, true);
        }
    }

    @Listeners (ListenerFor956.class)
    public static class SecondTestClass {
        @Test
        public void testMethod() {
            Assert.assertEquals(true, true);
        }
    }
}