diff --git a/test/decentralised_book_index/sync/sync/book_sync_test.exs b/test/decentralised_book_index/sync/sync/book_sync_test.exs
index 72f6368..d45d951 100644
--- a/test/decentralised_book_index/sync/sync/book_sync_test.exs
+++ b/test/decentralised_book_index/sync/sync/book_sync_test.exs
@@ -195,7 +195,7 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
       assert saved_book.dbi_server_id == nil
     end
 
-    test "old book wouldn't be sync", %{user: user} do
+    test "old book wouldn't be sync" do
       server = generate(dbi_server(url: @test_server_endpoint))
 
       book = generate(book())
@@ -347,11 +347,4 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
       assert Enum.all?(old_roles, fn id -> id not in new_roles end)
     end
   end
-
-  defp get_ids(records) do
-    Enum.map(records, fn record -> get_id(record) end)
-  end
-
-  defp get_id(record) when is_struct(record), do: record.id
-  defp get_id(record) when is_map(record), do: record[:id]
 end
diff --git a/test/support/helpers.ex b/test/support/helpers.ex
index 5eda7a6..947d987 100644
--- a/test/support/helpers.ex
+++ b/test/support/helpers.ex
@@ -41,6 +41,13 @@ defmodule DecentralisedBookIndex.Helpers do
     |> DateTime.to_iso8601()
   end
 
+  def get_ids(records) do
+    Enum.map(records, fn record -> get_id(record) end)
+  end
+
+  def get_id(record) when is_struct(record), do: record.id
+  def get_id(record) when is_map(record), do: record[:id]
+
   @doc """
   Logs the given `user` into the `conn`.