Fix compression

Author: Argonus

config/test.exs

@@ -4,6 +4,8 @@ config :ex_unit, capture_log: is_nil(System.get_env("SHOW_LOGS"))
 
 config :kafka_ex, snappy_module: :snappy
 
+config :kayrock, snappy_module: :snappy
+
 config :kafka_ex, sync_timeout: 60_000
 
 # Help debug tests that are tricky to understand