Fix CI error introduce as part of elastic#136870 (elastic#136982)

Author: afoucret

muted-tests.yml

@@ -540,18 +540,6 @@ tests:
 - class: org.elasticsearch.xpack.search.CrossClusterAsyncSearchIT
   method: testRemoteClusterOnlyCCSWithFailuresOnAllShards
   issue: https://github.com/elastic/elasticsearch/issues/136894
-- class: org.elasticsearch.compute.aggregation.MedianAbsoluteDeviationFloatAggregatorFunctionTests
-  method: testSimpleSmallInput
-  issue: https://github.com/elastic/elasticsearch/issues/136902
-- class: org.elasticsearch.compute.aggregation.MedianAbsoluteDeviationLongAggregatorFunctionTests
-  method: testSimpleSmallInput
-  issue: https://github.com/elastic/elasticsearch/issues/136903
-- class: org.elasticsearch.compute.aggregation.MedianAbsoluteDeviationDoubleAggregatorFunctionTests
-  method: testSimpleSmallInput
-  issue: https://github.com/elastic/elasticsearch/issues/136904
-- class: org.elasticsearch.compute.aggregation.MedianAbsoluteDeviationIntAggregatorFunctionTests
-  method: testSimpleSmallInput
-  issue: https://github.com/elastic/elasticsearch/issues/136905
 - class: org.elasticsearch.xpack.esql.qa.mixed.FieldExtractorIT
   method: testTextFieldWithIpSubfieldMalformed {STORED}
   issue: https://github.com/elastic/elasticsearch/issues/136917
@@ -561,9 +549,6 @@ tests:
 - class: org.elasticsearch.xpack.test.rest.XPackRestIT
   method: test {p0=ml/sparse_vector_search/Test sparse_vector search with query vector and pruning config}
   issue: https://github.com/elastic/elasticsearch/issues/136061
-- class: org.elasticsearch.compute.operator.HashAggregationOperatorTests
-  method: testSimpleSmallInput
-  issue: https://github.com/elastic/elasticsearch/issues/136945
 - class: org.elasticsearch.xpack.esql.optimizer.rules.logical.HoistRemoteEnrichTopNTests
   method: testTopNSortExpressionWithinRemoteEnrichAliasing
   issue: https://github.com/elastic/elasticsearch/issues/136957

x-pack/plugin/esql/compute/test/src/main/java/org/elasticsearch/compute/test/OperatorTestCase.java

@@ -73,7 +73,7 @@ public final void testSimpleSmallInput() {
     }
 
     protected int smallInputSize() {
-        return randomIntBetween(1, 100);
+        return randomIntBetween(10, 100);
     }
 
     /**