Testing the allocation changes for all tests

Signed-off-by: Arpit Bandejiya <[email protected]>

server/src/main/java/org/opensearch/cluster/routing/allocation/allocator/BalancedShardsAllocator.java

@@ -158,7 +158,7 @@ public class BalancedShardsAllocator implements ShardsAllocator {
      */
     public static final Setting<Boolean> PREFER_RANDOM_SHARD_ALLOCATION = Setting.boolSetting(
         "cluster.routing.allocation.balance.prefer_random_allocation",
-        false,
+        true,
         Property.Dynamic,
         Property.NodeScope
     );