resolved testing issues

Author: Attyuttam

powertools-tracing/src/main/java/software/amazon/lambda/powertools/tracing/TracingUtils.java

@@ -35,6 +35,7 @@
 public final class TracingUtils implements Resource{
     private static final Logger LOG = LoggerFactory.getLogger(TracingUtils.class);
     private static ObjectMapper objectMapper;
+
     private static final TracingUtils INSTANCE = new TracingUtils();
 
     static {