Use config to control starting all HTTP pools in test env

config/test.exs

@@ -167,7 +167,8 @@
   internal_fetch: false,
   load_custom_modules: false,
   max_restarts: 100,
-  streamer_registry: false
+  streamer_registry: false,
+  test_http_pools: true
 
 if File.exists?("./config/test.secret.exs") do
   import_config "test.secret.exs"

lib/pleroma/application.ex

@@ -14,7 +14,6 @@ defmodule Pleroma.Application do
   @name Mix.Project.config()[:name]
   @version Mix.Project.config()[:version]
   @repository Mix.Project.config()[:source_url]
-  @mix_env Mix.env()
 
   def name, do: @name
   def version, do: @version
@@ -98,7 +97,7 @@ def start(_type, _args) do
         {Task.Supervisor, name: Pleroma.TaskSupervisor}
       ] ++
         cachex_children() ++
-        http_children(adapter, @mix_env) ++
+        http_children(adapter) ++
         [
           Pleroma.Stats,
           Pleroma.JobQueueMonitor,
@@ -268,11 +267,19 @@ defp task_children() do
   end
 
   # start hackney and gun pools in tests
-  defp http_children(_, :test) do
+  defp http_children(adapter) do
-    http_children(Tesla.Adapter.Hackney, nil) ++ http_children(Tesla.Adapter.Gun, nil)
+    if Application.get_env(:pleroma, __MODULE__)[:test_http_pools] do
+      http_children_hackney() ++ http_children_gun()
+    else
+      cond do
+        match?(Tesla.Adapter.Hackney, adapter) -> http_children_hackney()
+        match?(Tesla.Adapter.Gun, adapter) -> http_children_gun()
+        true -> []
+      end
+    end
   end
 
-  defp http_children(Tesla.Adapter.Hackney, _) do
+  defp http_children_hackney() do
     pools = [:federation, :media]
 
     pools =
@@ -288,13 +295,11 @@ defp http_children(Tesla.Adapter.Hackney, _) do
     end
   end
 
-  defp http_children(Tesla.Adapter.Gun, _) do
+  defp http_children_gun() do
     Pleroma.Gun.ConnectionPool.children() ++
       [{Task, &Pleroma.HTTP.AdapterHelper.Gun.limiter_setup/0}]
   end
 
-  defp http_children(_, _), do: []
-
   @spec limiters_setup() :: :ok
   def limiters_setup do
     config = Config.get(ConcurrentLimiter, [])