Partial sync latest Test changes to HighFive.

L2J_Mobius_HighFive/java/com/l2jmobius/util/Util.java

@@ -29,8 +29,11 @@ import java.time.temporal.TemporalAdjusters;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
+import java.util.StringJoiner;
 import java.util.logging.Logger;
 
+import com.l2jmobius.Config;
+
 /**
  * Useful utilities common to L2J Server.
  */
@@ -221,4 +224,14 @@ public final class Util
 			.orElse(dateNowWithDifferentTime.with(TemporalAdjusters.next(daysOfWeek.get(0))));
 		// @formatter:on
 	}
+	
+	public static String getTraceString(StackTraceElement[] stackTraceElements)
+	{
+		final StringJoiner sj = new StringJoiner(Config.EOL);
+		for (final StackTraceElement stackTraceElement : stackTraceElements)
+		{
+			sj.add(stackTraceElement.toString());
+		}
+		return sj.toString();
+	}
 }