diff --git a/core/web/testutils/mock_relayer.go b/core/web/testutils/mock_relayer.go
index d1972f52626..d6a44a2379d 100644
--- a/core/web/testutils/mock_relayer.go
+++ b/core/web/testutils/mock_relayer.go
@@ -51,3 +51,7 @@ func (m MockRelayer) NewConfigProvider(ctx context.Context, args commontypes.Rel
 func (m MockRelayer) NewPluginProvider(ctx context.Context, args commontypes.RelayArgs, args2 commontypes.PluginArgs) (commontypes.PluginProvider, error) {
 	panic("not implemented")
 }
+
+func (m MockRelayer) NewLLOProvider(ctx context.Context, rargs commontypes.RelayArgs, pargs commontypes.PluginArgs) (commontypes.LLOProvider, error) {
+	panic("not implemented")
+}