BAEL-7199: Include feedback

spring-kafka-2/src/test/java/com/baeldung/spring/kafka/dlt/KafkaDltRetryOnErrorIntegrationTest.java

@@ -83,5 +83,6 @@ public class KafkaDltRetryOnErrorIntegrationTest {
 
         assertThat(mainTopicCountDownLatch.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(dlTTopicCountDownLatch.await(5, TimeUnit.SECONDS)).isTrue();
+        assertThat(dlTTopicCountDownLatch.getCount()).isEqualTo(0);
     }
 }

spring-kafka-2/src/test/java/com/baeldung/spring/kafka/dlt/KafkaNoDltIntegrationTest.java

@@ -82,5 +82,6 @@ public class KafkaNoDltIntegrationTest {
 
         assertThat(mainTopicCountDownLatch.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(dlTTopicCountDownLatch.await(5, TimeUnit.SECONDS)).isFalse();
+        assertThat(dlTTopicCountDownLatch.getCount()).isEqualTo(1);
     }
 }