diff --git a/tests/integration-tests/configs/isolated_regions.yaml b/tests/integration-tests/configs/isolated_regions.yaml
index 80bcab6159..d341efd5ca 100644
--- a/tests/integration-tests/configs/isolated_regions.yaml
+++ b/tests/integration-tests/configs/isolated_regions.yaml
@@ -562,31 +562,39 @@ test-suites:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_create_invalid:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_update:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_update_invalid:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_update_tag_propagation:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_delete_out_of_band:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_delete_retain:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}
     test_cluster_custom_resource.py::test_cluster_create_with_custom_policies:
       dimensions:
         - oss: {{ OSS }}
           regions: {{ REGIONS }}
+          instances: {{ INSTANCES }}