diff --git a/lib/refrepo/valid/data/homogeneity.yaml.erb b/lib/refrepo/valid/data/homogeneity.yaml.erb
index 9f3c20b09324a11883977c47a87a0c3a151a0a55..7b91d2c2ecc83bb5478fcd3c56d41abacc78cee8 100644
--- a/lib/refrepo/valid/data/homogeneity.yaml.erb
+++ b/lib/refrepo/valid/data/homogeneity.yaml.erb
@@ -186,6 +186,10 @@ nancy:
     - ~storage_devices.pci-0000:17:00.0-scsi-0:0:1:0.vendor
     - ~storage_devices.pci-0000:17:00.0-scsi-0:0:1:0.model
     - ~storage_devices.pci-0000:17:00.0-scsi-0:0:1:0.firmware_version
+  gros-41:
+    - +pdu[1]
+  gros-77:
+    - -pdu[1]
   grcinq-2:
     - ~storage_devices.pci-0000:00:1f.2-ata-1.vendor
     - ~storage_devices.pci-0000:00:1f.2-ata-1.model