Better method name

Author: luigidellaquila

x-pack/plugin/esql/qa/server/src/main/java/org/elasticsearch/xpack/esql/qa/rest/generative/command/CommandGenerator.java

@@ -140,7 +140,7 @@ static ValidationResult expectSameColumns(List<EsqlQueryGenerator.Column> previo
         return VALIDATION_OK;
     }
 
-    static ValidationResult expectAtLeastSameColumnNumber(
+    static ValidationResult expectAtLeastSameNumberOfColumns(
         List<EsqlQueryGenerator.Column> previousColumns,
         List<EsqlQueryGenerator.Column> columns
     ) {

x-pack/plugin/esql/qa/server/src/main/java/org/elasticsearch/xpack/esql/qa/rest/generative/command/pipe/ChangePointGenerator.java

@@ -50,6 +50,6 @@ public ValidationResult validateOutput(
         List<EsqlQueryGenerator.Column> columns,
         List<List<Object>> output
     ) {
-        return CommandGenerator.expectAtLeastSameColumnNumber(previousColumns, columns);
+        return CommandGenerator.expectAtLeastSameNumberOfColumns(previousColumns, columns);
     }
 }