Fix cherry pick to 2.3

Author: FlorentinD

open-model-catalog/src/test/java/org/neo4j/gds/core/model/OpenModelCatalogTest.java

@@ -129,7 +129,7 @@ void shouldNotifyListeners() {
             GRAPH_SCHEMA,
             "testTrainData",
             TestTrainConfig.of(USERNAME, "testModel"),
-            new TestCustomInfo()
+            Map::of
         );
 
         assertThat(counter.getCount()).isEqualTo(0);