Use aliases

test/music_library/records/cover_test.exs

@@ -2,13 +2,14 @@ defmodule MusicLibrary.Records.CoverTest do
   use ExUnit.Case, async: true
 
   import MusicLibrary.Fixtures.Records
+  alias MusicLibrary.Records.Cover
 
   describe "resize/1" do
     test "it resizes to the desired size" do
       cover_data = File.read!(marbles_cover_fixture())
-      {:ok, resized_cover} = MusicLibrary.Records.Cover.resize(cover_data)
+      {:ok, resized_cover} = Cover.resize(cover_data)
       assert cover_data !== resized_cover
-      assert MusicLibrary.Records.Cover.correct_size?(resized_cover)
+      assert Cover.correct_size?(resized_cover)
     end
   end
 end

test/support/data_case.ex

@@ -16,6 +16,8 @@ defmodule MusicLibrary.DataCase do
 
   use ExUnit.CaseTemplate
 
+  alias Ecto.Adapters.SQL.Sandbox
+
   using do
     quote do
       alias MusicLibrary.Repo
@@ -36,8 +38,8 @@ defmodule MusicLibrary.DataCase do
   Sets up the sandbox based on the test tags.
   """
   def setup_sandbox(tags) do
-    pid = Ecto.Adapters.SQL.Sandbox.start_owner!(MusicLibrary.Repo, shared: not tags[:async])
-    on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
+    pid = Sandbox.start_owner!(MusicLibrary.Repo, shared: not tags[:async])
+    on_exit(fn -> Sandbox.stop_owner(pid) end)
   end
 
   @doc """