adjust t-digest compression for MedianAbsoluteDeviationIT (#113367) (#113795)

Author: iverase

server/src/internalClusterTest/java/org/elasticsearch/search/aggregations/metrics/MedianAbsoluteDeviationIT.java

@@ -129,7 +129,7 @@ protected Collection<Class<? extends Plugin>> nodePlugins() {
     private static MedianAbsoluteDeviationAggregationBuilder randomBuilder() {
         final MedianAbsoluteDeviationAggregationBuilder builder = new MedianAbsoluteDeviationAggregationBuilder("mad");
         if (randomBoolean()) {
-            builder.compression(randomDoubleBetween(25, 1000, false));
+            builder.compression(randomDoubleBetween(30, 1000, false));
         }
         return builder;
     }