fix: add inets and ssl to extra_applications in test env

Ref voltone/x509#63 and https://github.com/voltone/x509/pull/64/files
Issue: phoenixframework/phoenix#5502

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

mix.exs

@@ -80,10 +80,18 @@ defmodule Mobilizon.Mixfile do
   def application do
     [
       mod: {Mobilizon, []},
-      extra_applications: [:logger, :runtime_tools, :guardian, :geolix, :crypto, :cachex]
+      extra_applications: extra_applications(Mix.env())
     ]
   end
 
+  defp extra_applications(:test) do
+    extra_applications(:prod) ++ [:inets, :ssl]
+  end
+
+  defp extra_applications(_env) do
+    [:logger, :runtime_tools, :guardian, :geolix, :crypto, :cachex]
+  end
+
   def copy_files(%{path: target_path} = release) do
     File.cp_r!("./rel/overlays", target_path)
     release