[BAEL-7199] Override bootstrap servers property (#15708)

spring-kafka-2/src/main/resources/application.properties

@@ -1,4 +1,4 @@
-spring.kafka.bootstrap-servers=localhost:9092,localhost:9093,localhost:9094,localhost:9095
+spring.kafka.bootstrap-servers=localhost:9092,localhost:9093,localhost:9094
 message.topic.name=baeldung
 long.message.topic.name=longMessage
 greeting.topic.name=greeting

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

@@ -26,7 +26,8 @@ import com.baeldung.spring.kafka.dlt.listener.PaymentListenerDltRetryOnError;
 import com.baeldung.spring.kafka.dlt.listener.PaymentListenerNoDlt;
 import org.springframework.test.context.ActiveProfiles;
 
-@SpringBootTest(classes = KafkaDltApplication.class)
+@SpringBootTest(classes = KafkaDltApplication.class,
+    properties = "spring.kafka.bootstrap-servers=localhost:9095")
 @EmbeddedKafka(
     partitions = 1,
     brokerProperties = { "listeners=PLAINTEXT://localhost:9095", "port=9095" },

spring-kafka-2/src/test/java/com/baeldung/spring/kafka/multipletopics/KafkaMultipleTopicsIntegrationTest.java

@@ -21,7 +21,8 @@ import org.springframework.kafka.test.context.EmbeddedKafka;
 import org.springframework.kafka.test.utils.ContainerTestUtils;
 import org.springframework.test.context.ActiveProfiles;
 
-@SpringBootTest(classes = KafkaMultipleTopicsApplication.class)
+@SpringBootTest(classes = KafkaMultipleTopicsApplication.class,
+    properties = "spring.kafka.bootstrap-servers=localhost:9099")
 @EmbeddedKafka(partitions = 1, brokerProperties = { "listeners=PLAINTEXT://localhost:9099", "port=9099" })
 @ActiveProfiles("multipletopics")
 public class KafkaMultipleTopicsIntegrationTest {