diff --git a/controller/nucleus/principalNetworkDomain_test.go b/controller/nucleus/principalNetworkDomain_test.go
index 075742354ba6fbc63dd797b20d21b00b8e229ba7..1ff916ece606592ed6d6d85e823be17a67ddf9c4 100644
--- a/controller/nucleus/principalNetworkDomain_test.go
+++ b/controller/nucleus/principalNetworkDomain_test.go
@@ -730,6 +730,7 @@ func Test_pndImplementation_Confirm(t *testing.T) {
 				return
 			}
 			mockPlugin.On("ValidateChange", mock.Anything, mock.Anything, mock.Anything).Return([]byte{}, nil)
+			mockPlugin.On("PruneConfigFalse", mock.Anything).Return([]byte{}, nil)
 			mockPlugin.On("Diff", mock.Anything, mock.Anything, mock.Anything).Return(&gpb.Notification{}, nil)
 			tr, ok := mne.Transport().(*mocks.Transport)
 			if !ok {