pom, ut method names

metrics/src/main/java/com/baeldung/metrics/healthchecks/DatabaseHealthCheck.java

@@ -5,6 +5,6 @@ import com.codahale.metrics.health.HealthCheck;
 public class DatabaseHealthCheck extends HealthCheck {
     @Override
     protected Result check() throws Exception {
-        return HealthCheck.Result.healthy();
+        return Result.healthy();
     }
 }