Fix outdated test

Author: ivancea

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/planner/TestPhysicalOperationProviders.java

@@ -442,7 +442,8 @@ public Operator get(DriverContext driverContext) {
                     List.of(new BlockHash.GroupSpec(groupByChannel, groupElementType)),
                     driverContext.blockFactory(),
                     pageSize,
-                    false
+                    false,
+                    100
                 ),
                 attribute,
                 driverContext