FAIL: TestCheckHeaderAndUpdateState

[boern]

→ types ±|main|$ go test -test.timeout=0 -run TestCheckHeaderAndUpdateState -v
=== RUN   TestCheckHeaderAndUpdateState
    update_test.go:46: ==== RPC_CLIENT_ADDRESS not set, will use default ====
2022/11/15 14:35:02 Connecting to ws://127.0.0.1:9944...
    update_test.go:53: ==== connected! ====
    update_test.go:73: ====== subcribed! ======
    update_test.go:144: Initializing client state
    update_test.go:148: Recieved Commitment #1
EROR[11-15|14:36:04] failed to calculate root for mmr leaf []
    update_test.go:351:
        	Error Trace:	/home/boern/workspace/composable/ibc-go/modules/light-clients/11-beefy/types/update_test.go:351
        	Error:      	Received unexpected error:

        	            	github.com/cosmos/ibc-go/v5/modules/light-clients/11-beefy/types.(*ClientState).verifyHeader
        	            		/home/boern/workspace/composable/ibc-go/modules/light-clients/11-beefy/types/update.go:172
        	            	github.com/cosmos/ibc-go/v5/modules/light-clients/11-beefy/types.(*ClientState).VerifyClientMessage
        	            		/home/boern/workspace/composable/ibc-go/modules/light-clients/11-beefy/types/update.go:29
        	            	github.com/cosmos/ibc-go/v5/modules/light-clients/11-beefy/types_test.TestCheckHeaderAndUpdateState
        	            		/home/boern/workspace/composable/ibc-go/modules/light-clients/11-beefy/types/update_test.go:350
        	            	failed to encode MMR leaf: corrupted proof: proof items is not enough to build a tree
        	Test:       	TestCheckHeaderAndUpdateState
--- FAIL: TestCheckHeaderAndUpdateState (62.29s)
FAIL
exit status 1
FAIL	github.com/cosmos/ibc-go/v5/modules/light-clients/11-beefy/types	62.331s

I executed the test as described in the README, but it failed.
The 11-beefy light client is still in development ? and it can be used in cosmos appchain ？