ApplicationTest: skip test spamming warnings from ExSyslogger

:warn log level is deprecated, but ExSyslogger hasn't been updated yet.

test/pleroma/application_test.exs

@@ -7,11 +7,15 @@ defmodule Pleroma.ApplicationTest do
 
   import ExUnit.CaptureLog
 
+  # TODO HACK: Temporarily disabled.
+  # Currently causes a bunch of warnings about :warn being deprecated in logs.
+  # ex_syslogger needs to either be updated upstream or forked.
   describe "config :pleroma, :logger, backends: [{:ex_syslogger, :ex_syslogger}]" do
     setup do
       clear_config([:logger], backends: [{:ex_syslogger, :ex_syslogger}])
     end
 
+    @tag :skip
     test "is handled" do
       log = capture_log(fn -> Pleroma.Application.configure_logger() end)