fix for IcebergAllowedLocationTest (#2511)

Author: eric-maynard

runtime/service/src/test/java/org/apache/polaris/service/catalog/iceberg/AbstractIcebergCatalogTest.java

@@ -199,7 +199,7 @@ public Map<String, String> getConfigOverrides() {
           .putAll(super.getConfigOverrides())
           .put("polaris.features.\"ALLOW_TABLE_LOCATION_OVERLAP\"", "true")
           .put("polaris.features.\"LIST_PAGINATION_ENABLED\"", "true")
-          .put("polaris.features.\"ALLOW_NAMESPACE_CUSTOM_LOCATION\"", "true")
+          .put("polaris.behavior-changes.\"ALLOW_NAMESPACE_CUSTOM_LOCATION\"", "true")
           .build();
     }
   }

runtime/service/src/test/java/org/apache/polaris/service/catalog/iceberg/IcebergAllowedLocationTest.java

@@ -147,6 +147,8 @@ private static TestServices getTestServices() {
             "SUPPORTED_CATALOG_STORAGE_TYPES",
             List.of("FILE"),
             OPTIMIZED_SIBLING_CHECK.key(),
+            "true",
+            "ALLOW_NAMESPACE_CUSTOM_LOCATION",
             "true");
     TestServices services =
         TestServices.builder().config(strictServicesWithOptimizedOverlapCheck).build();