Fix tests that fail when Redis is unavailable

spring-boot-samples/spring-boot-sample-data-redis/src/test/java/sample/data/redis/SampleRedisApplicationTests.java

@@ -39,7 +39,7 @@ public class SampleRedisApplicationTests {
 		try {
 			SampleRedisApplication.main(new String[0]);
 		}
-		catch (IllegalStateException ex) {
+		catch (Exception ex) {
 			if (!redisServerRunning(ex)) {
 				return;
 			}

spring-boot-samples/spring-boot-sample-metrics-redis/src/main/resources/application.properties

@@ -4,3 +4,4 @@ spring.metrics.export.redis.key: keys.metrics.sample
 spring.metrics.export.aggregate.prefix: ${random.value:0000}.${spring.application.name:application}
 spring.metrics.export.aggregate.key-pattern: d
 spring.jmx.default-domain: org.springframework.boot
+spring.data.redis.repositories.enabled=false