BAEL-7351 added new lines

spring-kafka-3/src/main/java/com/baeldung/spring/kafka/groupId/KafkaConfig.java

@@ -44,4 +44,4 @@ class KafkaConfig {
         return new KafkaErrorHandler();
     }
 
-}
+}

spring-kafka-3/src/main/java/com/baeldung/spring/kafka/groupId/KafkaErrorHandler.java

@@ -34,4 +34,4 @@ class KafkaErrorHandler implements CommonErrorHandler {
             log.error("Exception not handled", exception);
         }
     }
-}
+}

spring-kafka-3/src/test/java/com/baeldung/spring/kafka/groupId/MainLiveTest.java

@@ -41,4 +41,4 @@ public class MainLiveTest {
         assertTrue(messageConsumed);
         assertThat(consumer.getPayload(), containsString(data));
     }
-}
+}