HHH-17201 Add test for issue

Author: dreab8

hibernate-core/src/test/java/org/hibernate/orm/test/loading/multiLoad/MultiIdEntityLoadTests.java

@@ -12,7 +12,9 @@
 import org.hibernate.testing.orm.domain.StandardDomainModel;
 import org.hibernate.testing.orm.domain.gambit.BasicEntity;
 import org.hibernate.testing.orm.domain.gambit.EntityWithAggregateId;
+import org.hibernate.testing.orm.domain.gambit.SimpleEntity;
 import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.JiraKey;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryFunctionalTesting;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
@@ -44,6 +46,18 @@ public void testBasicEntitySimpleLoad(SessionFactoryScope scope) {
 		);
 	}
 
+	@Test
+	@JiraKey( "HHH-17201" )
+	public void testSimpleEntityUnOrderedMultiLoad(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					List<Integer> idList = List.of( 0, 1 );
+					session.byMultipleIds( SimpleEntity.class )
+							.enableOrderedReturn( false ).multiLoad( idList );
+				}
+		);
+	}
+
 	@Test
 	public void testBasicEntityOrderedLoad(SessionFactoryScope scope) {
 		scope.inTransaction(