Fix cleaning upload files after running tests

See https://elixirforum.com/t/running-code-after-all-exunit-tests-are-done/9937/6

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

mix.exs

@@ -132,8 +132,7 @@ defmodule Mobilizon.Mixfile do
       test: [
         "ecto.create --quiet",
         "ecto.migrate",
-        "test",
-        "cmd ./script/clean_after_tests"
+        &run_test/1
       ],
       "phx.deps_migrate_serve": [
         "deps.get",
@@ -145,6 +144,11 @@ defmodule Mobilizon.Mixfile do
     ]
   end
 
+  defp run_test(args) do
+    Mix.Task.run("test", args)
+    File.rm_rf!("test/uploads")
+  end
+
   defp docs() do
     [
       source_ref: "v#{@version}",

script/clean_after_tests

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-rm -rf test/uploads