Move user search to User module.

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -319,6 +319,19 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
     end)
   end
 
+  test "account seach", %{conn: conn} do
+    user = insert(:user)
+    user_two = insert(:user, %{nickname: "shp@shitposter.club"})
+    user_three = insert(:user, %{nickname: "shp@heldscal.la", name: "I love 2hu"})
+
+    conn = conn
+    |> assign(:user, user)
+    |> get("/api/v1/accounts/search", %{"q" => "2hu"})
+
+    assert [account] = json_response(conn, 200)
+    assert account["id"] == user_three.id
+  end
+
   test "search", %{conn: conn} do
     user = insert(:user)
     user_two = insert(:user, %{nickname: "shp@shitposter.club"})