Change timezone rounding test to a timezone that is unlikely to change in the future (#91155)

server/src/test/java/org/elasticsearch/common/RoundingTests.java

@@ -1016,19 +1016,22 @@ public class RoundingTests extends ESTestCase {
         assertThat(rounding.round(time("2078-11-10T02:51:22.662Z")), isDate(time("1970-01-01T00:00:00+03:30"), tz));
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/91040")
     public void testHugeTimeFewAttempts() {
-        ZoneId tz = ZoneId.of("Asia/Tehran");
+        // this needs around 410 transitions to get to this time from 2022
+        String to = "2178-11-10T02:51:22.662Z";
+        int maxChanges = 200;
+        // this tz is unlikely to change in the future
+        ZoneId tz = ZoneId.of("SystemV/EST5EDT");
         Rounding.TimeIntervalRounding.JavaTimeRounding prepared = (Rounding.TimeIntervalRounding.JavaTimeRounding) Rounding.builder(
             TimeValue.timeValueDays(80000)
         ).timeZone(tz).build().prepareJavaTime();
-        Exception e = expectThrows(IllegalArgumentException.class, () -> prepared.round(time("2178-11-10T02:51:22.662Z"), 200));
+        Exception e = expectThrows(IllegalArgumentException.class, () -> prepared.round(time(to), maxChanges));
         assertThat(
             e.getMessage(),
             equalTo(
                 "Rounding["
                     + TimeValue.timeValueDays(80000).millis()
-                    + " in Asia/Tehran][java.time] failed to round 3446656199999 down: "
+                    + " in SystemV/EST5EDT][java.time] failed to round 3450063599999 down: "
                     + "transitioned backwards through too many daylight savings time transitions"
             )
         );