Import only necessary functions from LiveViewTest

So that we don't clash with the imports of PhoenixTest

test/music_library_web/live/artist_live/show_test.exs

@@ -1,7 +1,6 @@
 defmodule MusicLibraryWeb.ArtistLive.ShowTest do
   use MusicLibraryWeb.ConnCase
 
-  import Phoenix.LiveViewTest
   import MusicLibrary.RecordsFixtures
   import LastFm.Fixtures
   import Mox

test/music_library_web/live/collection_live/index_test.exs

@@ -1,7 +1,6 @@
 defmodule MusicLibraryWeb.CollectionLive.IndexTest do
   use MusicLibraryWeb.ConnCase
 
-  import Phoenix.LiveViewTest
   import MusicLibrary.RecordsFixtures
   import MusicLibrary.ReleaseGroupsFixtures
   import Mox

test/music_library_web/live/collection_live/show_test.exs

@@ -1,7 +1,6 @@
 defmodule MusicLibraryWeb.CollectionLive.ShowTest do
   use MusicLibraryWeb.ConnCase
 
-  import Phoenix.LiveViewTest
   import MusicLibrary.RecordsFixtures
   alias MusicLibrary.Records.Record
 

test/support/conn_case.ex

@@ -29,6 +29,7 @@ defmodule MusicLibraryWeb.ConnCase do
       import Phoenix.ConnTest
       import MusicLibraryWeb.ConnCase
       import PhoenixTest
+      import Phoenix.LiveViewTest, only: [render: 1, render_async: 1]
     end
   end