diff --git a/sc/shared/src/test/scala/sigmastate/ErgoTreeSpecification.scala b/sc/shared/src/test/scala/sigmastate/ErgoTreeSpecification.scala
index b368a9da3..9f8bc19d6 100644
--- a/sc/shared/src/test/scala/sigmastate/ErgoTreeSpecification.scala
+++ b/sc/shared/src/test/scala/sigmastate/ErgoTreeSpecification.scala
@@ -517,7 +517,7 @@ class ErgoTreeSpecification extends SigmaDslTesting with ContractsTestkit with C
         MInfo(1, groupGeneratorMethod), MInfo(2, xorMethod)
       ) ++ (if (isV6Activated) {
         // id = 4 reserved for deserializeTo method
-        Seq(MInfo(3, serializeMethod), MInfo(5, fromBigEndianBytesMethod)) // methods added in v6.0
+        Seq(MInfo(3, serializeMethod), MInfo(5, fromBigEndianBytesMethod), MInfo(8, someMethod), MInfo(9, noneMethod)) // methods added in v6.0
       } else {
         Seq.empty[MInfo]
       }), true)