Tests: Don't spawn processes in tests.

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -8,6 +8,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   require Pleroma.Constants
 
   alias Pleroma.Activity
+  alias Pleroma.Config
   alias Pleroma.HTML
   alias Pleroma.Maps
   alias Pleroma.Object
@@ -30,7 +31,13 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   # pagination is restricted to 40 activities at a time
   defp fetch_rich_media_for_activities(activities) do
     Enum.each(activities, fn activity ->
-      spawn(fn -> Card.get_by_activity(activity) end)
+      fun = fn -> Card.get_by_activity(activity) end
+
+      if Config.get([__MODULE__, :sync_fetching], false) do
+        fun.()
+      else
+        spawn(fun)
+      end
     end)
   end
 

lib/pleroma/web/streamer.ex

@@ -172,7 +172,13 @@ defmodule Pleroma.Web.Streamer do
   def stream(topics, items) do
     if should_env_send?() do
       for topic <- List.wrap(topics), item <- List.wrap(items) do
-        spawn(fn -> do_stream(topic, item) end)
+        fun = fn -> do_stream(topic, item) end
+
+        if Config.get([__MODULE__, :sync_streaming], false) do
+          fun.()
+        else
+          spawn(fun)
+        end
       end
     end
   end