Fix tests

Author: radovanradic

doc-examples/jdbc-example-java/src/test/java/example/StaticMetamodelTest.java

@@ -59,7 +59,7 @@ void testMetamodel() {
         String q = criteriaQuery.buildQuery(AnnotationMetadata.EMPTY_METADATA, new SqlQueryBuilder2()).getQuery();
 
         Assertions.assertEquals("""
-            SELECT client_."id",client_."name",client_."main_category_id",client_categories_collection_."id" AS categories_collection_id,client_categories_collection_."name" AS categories_collection_name FROM "client" client_ LEFT JOIN "client_category" client_categories_collection_client_category_ ON client_."id"=client_categories_collection_client_category_."client_id"  LEFT JOIN "category" client_categories_collection_ ON client_categories_collection_client_category_."category_id"=client_categories_collection_."id\"""",
+                SELECT client_."id",client_."name",client_categories_collection_."id" AS categories_collection_id,client_categories_collection_."name" AS categories_collection_name FROM "client" client_ LEFT JOIN "client_category" client_categories_collection_client_category_ ON client_."id"=client_categories_collection_client_category_."client_id"  LEFT JOIN "category" client_categories_collection_ ON client_categories_collection_client_category_."category_id"=client_categories_collection_."id\"""",
             q);
     }
 }

doc-examples/r2dbc-example-kotlin/src/main/kotlin/example/ParentSuspendRepository.kt

@@ -19,6 +19,7 @@ interface ParentSuspendRepository : GenericRepository<Parent, Int> {
     suspend fun update(@NonNull entity: Parent): Parent
 
     @Transactional(Transactional.TxType.MANDATORY)
+    @Join(value = "children", type = Join.Type.LEFT_FETCH)
     suspend fun queryById(id: Int): Optional<Parent>
 
     suspend fun count(): Long