diff --git a/dim-testsuite/t/container-create-1.t b/dim-testsuite/t/container-create-1.t
index 4ac7f94..004cc81 100644
--- a/dim-testsuite/t/container-create-1.t
+++ b/dim-testsuite/t/container-create-1.t
@@ -13,3 +13,27 @@ layer3domain: default
   0.0.0.0/0 (Available)
 $ ndcli create container 0.0.0.0/0 layer3domain default 
 ERROR - 0.0.0.0/0 already exists in layer3domain default with status Container
+
+$ ndcli create container ::/0 layer3domain default
+INFO - Creating container ::/0 in layer3domain default
+
+$ ndcli show container ::/0 layer3domain default
+created:2024-06-18 11:02:43
+ip:::/0
+layer3domain:default
+modified:2024-06-18 11:02:43
+modified_by:admin
+status:Container
+
+$ ndcli list containers ::/0
+layer3domain: default
+::/0 (Container)
+  ::/0 (Available)
+$ ndcli create container ::/0 layer3domain default
+ERROR - ::/0 already exists in layer3domain default with status Container
+
+$ ndcli list containers layer3domain default
+0.0.0.0/0 (Container)
+  0.0.0.0/0 (Available)
+::/0 (Container)
+  ::/0 (Available)