adds debug

spring-cloud-context/src/test/java/org/springframework/cloud/util/random/CachedRandomPropertySourceTests.java

@@ -66,6 +66,7 @@ public class CachedRandomPropertySourceTests {
 
 		then(cachedRandomPropertySource.getProperty("cachedrandom.app.long")).isEqualTo(1234L);
 		then(cachedRandomPropertySource.getProperty("cachedrandom.foo.long")).isEqualTo(5678L);
+		System.err.println(output);
 		then(StringUtils.countOccurrencesOf(output.toString(), "No cached value found for key: app")).isEqualTo(1);
 		then(StringUtils.countOccurrencesOf(output.toString(),
 				"No random value found in cache for key: app and type: long, generating a new value")).isEqualTo(1);