Add some tests

config/config.exs

@@ -35,6 +35,7 @@ config :pleroma, Pleroma.Captcha.Kocaptcha, endpoint: "https://captcha.kotobank.
 config :pleroma, Pleroma.Upload,
   uploader: Pleroma.Uploaders.Local,
   filters: [],
+  link_name: true,
   proxy_remote: false,
   proxy_opts: [
     redirect_on_failure: false,

config/test.exs

@@ -17,6 +17,8 @@ config :pleroma, Pleroma.Captcha,
 # Print only warnings and errors during test
 config :logger, level: :warn
 
+config :pleroma, Pleroma.Upload, link_name: false
+
 config :pleroma, Pleroma.Uploaders.Local, uploads: "test/uploads"
 
 config :pleroma, Pleroma.Mailer, adapter: Swoosh.Adapters.Test