Fix some tests

lib/archethic/account/mem_tables/token_ledger.ex

@@ -15,12 +15,6 @@ defmodule Archethic.Account.MemTables.TokenLedger do
   Initialize the Token ledger tables:
   - Main Token ledger as ETS set ({token, to, from, token_id}, amount, spent?)
   - Token Unspent Output Index as ETS bag (to, {from, token, token_id})
-
-  ## Examples
-
-      iex> {:ok, _} = TokenLedger.start_link()
-      iex> { :ets.info(:archethic_token_ledger)[:type], :ets.info(:archethic_token_unspent_output_index)[:type] }
-      { :set, :bag }
   """
   def start_link(args \\ []) do
     GenServer.start_link(__MODULE__, args)

lib/archethic/account/mem_tables/uco_ledger.ex

@@ -16,11 +16,6 @@ defmodule Archethic.Account.MemTables.UCOLedger do
   - Main UCO ledger as ETS set ({to, from}, amount, spent?)
   - UCO Unspent Output Index as ETS bag (to, from)
 
-  ## Examples
-
-      iex> {:ok, _} = UCOLedger.start_link()
-      iex> { :ets.info(:archethic_uco_ledger)[:type], :ets.info(:archethic_uco_unspent_output_index)[:type] }
-      { :set, :bag }
   """
   def start_link(args \\ []) do
     GenServer.start_link(__MODULE__, args)

test/archethic/beacon_chain/subset_test.exs

@@ -415,7 +415,7 @@ defmodule Archethic.BeaconChain.SubsetTest do
     )
 
     MockClient
-    |> expect(:send_message, fn
+    |> stub(:send_message, fn
       _, %BeaconUpdate{transaction_attestations: transaction_attestations}, _ ->
         send(me, {:transaction_attestations, transaction_attestations})
         {:ok, %Ok{}}
@@ -425,6 +425,9 @@ defmodule Archethic.BeaconChain.SubsetTest do
 
       _, %NewBeaconTransaction{}, _ ->
         {:ok, %Ok{}}
+
+      _, %Ping{}, _ ->
+        {:ok, %Ok{}}
     end)
 
     Subset.subscribe_for_beacon_updates(subset, first_public_key)