Fix Checkstyle issues; upgrade some dependencies

spring-integration-redis/src/test/java/org/springframework/integration/redis/inbound/ReactiveRedisStreamMessageProducerTests.java

@@ -40,12 +40,10 @@ import org.springframework.integration.redis.rules.RedisAvailableRule;
 import org.springframework.integration.redis.rules.RedisAvailableTests;
 import org.springframework.integration.redis.util.Address;
 import org.springframework.integration.redis.util.Person;
-import org.springframework.messaging.Message;
 import org.springframework.messaging.support.GenericMessage;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringRunner;
 
-import reactor.core.publisher.BaseSubscriber;
 import reactor.core.publisher.Flux;
 import reactor.test.StepVerifier;
 

spring-integration-redis/src/test/java/org/springframework/integration/redis/util/Address.java

@@ -41,8 +41,12 @@ public class Address implements Serializable {
 
 	@Override
 	public boolean equals(Object o) {
-		if (this == o) return true;
-		if (o == null || getClass() != o.getClass()) return false;
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
 		Address address1 = (Address) o;
 		return Objects.equals(this.address, address1.address);
 	}

spring-integration-redis/src/test/java/org/springframework/integration/redis/util/Person.java

@@ -54,8 +54,12 @@ public class Person implements Serializable {
 
 	@Override
 	public boolean equals(Object o) {
-		if (this == o) return true;
-		if (o == null || getClass() != o.getClass()) return false;
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
 		Person person = (Person) o;
 		return Objects.equals(this.address, person.address) &&
 				Objects.equals(this.name, person.name);