update

Author: taoliult

closed/test/jdk/openj9/internal/security/TestPolicySunset.java

@@ -40,6 +40,7 @@
 import java.nio.file.Paths;
 import java.security.Provider;
 import java.security.Security;
+import java.time.Clock;
 import java.time.LocalDate;
 import java.time.ZoneOffset;
 import java.time.format.DateTimeFormatter;
@@ -52,7 +53,7 @@ public class TestPolicySunset {
 
     private static Path updateExpireSoonSunsetFile(String baseFile) {
         try {
-            LocalDate soonDate = LocalDate.now(ZoneOffset.UTC).plusMonths(1);
+            LocalDate soonDate = LocalDate.now(Clock.systemUTC()).plusMonths(1);
             String newDate = soonDate.format(DateTimeFormatter.ISO_DATE);
 
             String content = Files.readString(Paths.get(baseFile), StandardCharsets.UTF_8);