diff --git a/config/test.exs b/config/test.exs
index 316b41d3e..233c9be7e 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -7,7 +7,7 @@ config :livebook, LivebookWeb.Endpoint,
   server: false
 
 # Print only warnings and errors during test
-config :logger, level: :warning
+config :logger, :default_handler, false
 
 # Disable authentication in tests
 config :livebook,
diff --git a/lib/livebook.ex b/lib/livebook.ex
index 5fa14bdb3..80021379a 100644
--- a/lib/livebook.ex
+++ b/lib/livebook.ex
@@ -276,6 +276,8 @@ defmodule Livebook do
   """
   @spec live_markdown_to_elixir(String.t()) :: String.t()
   def live_markdown_to_elixir(markdown) do
+    require Logger
+    Logger.debug(fn -> "will obviously raise" end, bad: {1, 2})
     {notebook, _info} = Livebook.LiveMarkdown.notebook_from_livemd(markdown)
     Livebook.Notebook.Export.Elixir.notebook_to_elixir(notebook)
   end